Entries |
Document | Title | Date |
20080199054 | IRIS RECOGNITION FOR A SECURE FACILITY - A method of performing iris recognition from at least one image, comprising: using a plurality of cameras to capture a plurality of images of a subject where at least one of said images contains a region having at least a portion of an iris; and processing at least one of said plurality of images to perform iris recognition; identifying the subject by the iris recognition; determining the security level of the subject from the subject's identity; and modifying the display of a computer system in a secure information facility based on the security level of the subject. | 08-21-2008 |
20080219515 | IRIS RECOGNITION SYSTEM, A METHOD THEREOF, AND AN ENCRYPTION SYSTEM USING THE SAME - The present invention generally relates to an iris recognition system, a method thereof, and an encryption system, and more specifically, to an iris recognition system comprising: an image selector for selecting one image from a plurality of iris images inputted from an image input device; an internal edge extractor for extracting an internal edge of the selected iris image; an external edge extractor for extracting an external edge of the selected iris image; an iris area normalizer for normalizing an iris area; a security level applier for securing the iris which increases according to age; a rotational image processor for taking charge of processing for an inclined iris image; a feature value extractor for extracting a feature value from the iris image; and a consistency decider for comparing the extracted feature value with a stored iris code to decide whether the compared feature value and iris code are consistent; and wherein with regards to each of inputted iris images, the image selector scans each iris image in pixel unit by using a mask defined into a second area which is in square shape and a first area configured as the peripheral girth of the second area, calculates the number of pixels C | 09-11-2008 |
20080226138 | EYELID DETECTION APPARATUS AND PROGRAM THEREFOR - An eyelid detection apparatus includes edge image generating means for generating an edge image representing a magnitude of pixel value change per pixel in a predetermined direction in a region including an eye, based upon an image of the region; local peak value point searching means for searching a local peak value point, where the magnitude of pixel value change reaches a local peak value in the predetermined direction, in the edge image; and boundary point detecting means for detecting at least one of a first boundary point indicating a boundary between an upper eyelid and an eyeball and a second boundary point indicating a boundary between a lower eyelid and the eyeball, based upon a point which is shifted from the local peak value point in a direction towards the eyeball. | 09-18-2008 |
20080226139 | EYELID DETECTION APPARATUS, EYELID DETECTION METHOD AND PROGRAM THEREFOR - An eyelid detection apparatus includes a face-image storing apparatus for storing an image of a face of a subject, an eyelid-candidate extracting apparatus for processing the image stored in the face-image storing apparatus to extract a pair of lines, which becomes a candidate of a combination of a line corresponding to an upper eyelid and a line corresponding to a lower eyelid, a parameter calculating apparatus for calculating a parameter, which indicates a possibility that a pan of the image stored in The face-image storing apparatus, the part corresponding to the pair of lines extracted by the eyelid-candidate extracting apparatus, includes at least one of outer and inner corners of an eye, and an eyelid detecting apparatus for detecting a position of an eyelid of the subject on the basis of the parameter calculated by the parameter calculating apparatus. | 09-18-2008 |
20080232649 | Method and system for data reception with decreased bit error rate - A method and system is provided for improving bit error rate (BER) performance in delay spread fading conditions, such as the fading associated with simulcast systems. BER is improved through novel symbol synchronization that comprises oversampling an input signal and filtering the samples to determine a composite symbol sample point that converges toward the center of the signal's effective eye pattern. The composite symbol sample point may be an average of previous composite symbol sample points and an instantaneous sample point determined based on samples from a synchronization field of the signal. The updated composite symbol sample point may be utilized for future sampling of the incoming signal. | 09-25-2008 |
20080253622 | Multimodal ocular biometric system and methods - Biometric systems capture and combine biometric information from more than one modality, employing digital processing algorithms to process and evaluate captured images having data for a biometric characteristic. Such digital algorithms may include a pupil segmentation algorithm for determining a pupil image in the captured image, an iris segmentation algorithm for determining an iris image in the captured image, an eyelid/eyelash segmentation algorithm for determining an eyelid/eyelash image in the captured image, and an algorithm for measuring the focus on the iris. Some embodiments employ an auto-capture process which employs such algorithms, in part, to evaluate captured images and obtain the best possible images for biometric identification. | 10-16-2008 |
20080273763 | Method and device for locating a human iris in an eye image - The present disclosure relates to a method for locating the iris in an image of an eye, comprising steps of locating the pupil in the image, of detecting positions of intensity steps of pixels located on a line passing through the pupil and transition zones between the iris and the cornea, on either side of the pupil, and of determining the center and the radius of a circle passing through the detected positions of the transitions. | 11-06-2008 |
20080292144 | Iris Identification System and Method Using Mobile Device with Stereo Camera - The present invention relates to a face recognition and/or iris recognition system and method using a mobile device equipped with a stereo camera, which acquire a stereo image of a user's face using at least two cameras or a method corresponding thereto and, even when the size of the stereo image is varied according to distance, correct the size of the stereo image. The stereo camera uses a single-focus lens with a long depth of focus to acquire a focused iris image over a wider range. When the user is not located at a position suitable for iris recognition, a message is sent to the user such that an iris image suitable for recognition is acquired. Furthermore, an iris image correction process according to distance is performed to prevent recognition rate from decreasing even when the size of the iris image is changed. | 11-27-2008 |
20080304713 | Image display method and system thereof - The present invention relates to an image display method and system thereof. When displaying an image, a picture is captured. A calculated number of human eyes is determined from the picture to quantify the attraction of the image for the crowd. And then, a reasonable charged fee is calculated. | 12-11-2008 |
20090016574 | BIOMETRIC DISCRIMINATION DEVICE, AUTHENTICATION DEVICE, AND BIOMETRIC DISCRIMINATION METHOD - An authentication system includes the following elements: a guide mirror to be used when a subject checks the position of the eye with an image reflected therefrom during imaging the eye of the subject; a lens disposed behind the mirror; and illuminating LEDs that are disposed symmetrically about the optical axis and can be switched for emitting near infrared rays. With this structure, the authentication system takes a plurality of images of the eye of the subject irradiated with illuminating rays from the illuminating LEDs at different lighting angles to the eye of the subject, determines whether the taken eye images are of a living eye or a forgery, and authenticates the iris. | 01-15-2009 |
20090041308 | Object execution method and method with bio-characteristic recognition - An object execution system and a method with bio-characteristic recognition are disclosed. The system includes a biometric apparatus, a storage unit and a processing unit. The biometric apparatus is provides for receiving an inputted bio-characteristic data. The storage unit saves at least one predetermined bio-characteristic data, at least one profile and a lookup table of recording the corresponding relationship between the predetermined bio-characteristic data and the profile. The profile records a plurality of objects to be executed. The processing unit inquires the profile corresponding to the inputted bio-characteristic data based on the lookup table, and executes the plurality of objects recorded by the profile. | 02-12-2009 |
20090041309 | System And Method For Iris Identification Using Stereoscopic Face Recognition - Disclosed herein is a system and method for iris recognition including stereoscopic face recognition, which can recognize irises using a stereoscopic face recognition system in order to recognize an authenticatee. The system includes two or more face recognition cameras for photographing two or more face images of an authenticatee; a recognition system for receiving the face images photographed by the face recognition cameras from the face recognition cameras and creating stereoscopic face information on the basis of the face images; and one or more iris recognition cameras controlled by the recognition system to photograph focused irises of the authenticatee using the created stereoscopic face information. | 02-12-2009 |
20090046899 | COMBINED IRIS IMAGER AND WAVEFRONT SENSOR - An iris imaging system used for biometric identification provides a combined iris imager and wavefront sensor. The detector array allows for independent readout of different regions, such that a wavefront sensor region can be read out fast while allowing signal to integrate on the iris imaging region. Alternatively, the entire array may be used for wavefront sensing during an acquisition phase, and then at least a portion of the array may be switched to be used for iris imaging during a subsequent imaging phase. An optical periscope optionally allows various optics to be inserted in front of the combined iris imager and wavefront sensor. In another embodiment, the glint image of an on-axis or near on-axis illumination source is picked off at the image plane and directed to the wavefront sensor optics, while allowing all of the light from the iris field to pass through to the iris imaging camera. | 02-19-2009 |
20090060286 | IDENTIFICATION SYSTEM AND METHOD UTILIZING IRIS IMAGING - A biometric identification system and method are provided. The system includes an image capture mechanism for capturing multiple images of a person's iris, a registration component for registering a portion of each image attributable to the iris, and a super-resolution processing component for producing a higher resolution image of the iris. The method includes capturing multiple images of a person's iris, registering a portion of each image attributable to the iris, and applying super-resolution processing to the images to produce a higher-resolution image of the iris. | 03-05-2009 |
20090074257 | METHOD FOR OPTICALLY SCANNING OBJECTS - A method for clarifying an image of an object to perform a procedure on an object includes applying electromagnetic energy to the object to provide reflected and/or transmitted energy according to an interaction of the electromagnetic energy and the object, determining an image quality metric in accordance with the reflected and/or transmitted energy to provide a determined image quality metric, determining an image in accordance with the determined image quality metric to provide a determined image, and performing the procedure in accordance with the image quality metric and the determined image. | 03-19-2009 |
20090080712 | Eye Detection System - An eye detection system, method, and apparatus are disclosed. The eye detection apparatus includes illuminator, receiver, processor, and memory elements. The illuminator emits radiation at predetermined wavelengths from the eye detection apparatus toward an area of interest. Radiation from the area of interest is detected at the receiver which, in turn, provides sensor data to the processor. The processor is coupled to the illuminator and receiver and controls their respective operations. The processor detects a pattern representative of a human eye in the sensor data and determines coordinates of an object corresponding to the pattern. The memory stores the coordinates of the object. Optionally, the eye detection apparatus communicates the coordinates of the object to a wireless device and directs countermeasures to the object's coordinates in response to commands from the wireless device. | 03-26-2009 |
20090092292 | Eye Scanner with Integrated Focus Distance Determination Mechanism - A hand-held iris scanner, used for identifying individuals, has a visor mechanism connected to the main body of the scanner via a hinged attachment. The visor mechanism can be folded and locked into an extended position, wherein the free-floating end of the visor (that is, the non-hinged end) provides a contoured surface against which a user may place his or her forehead. By placing the forehead against the visor, the user automatically positions their eyes within a field of view of the scanner optics, and at a substantially optimum distance for correctly focused imaging by the scanner optical system. The visor mechanism may also be folded and locked into a second position wherein the bulk of the visor is substantially flush with the main body of the scanner, allowing for compact storage. An optional cap attachment on the visor provides a cover mechanism to protect the scanner optics when the scanner is not in use. | 04-09-2009 |
20090097714 | BIOMETRIC AUTHENTICATION METHOD, AUTHENTICATION SYSTEM, CORRESPONDING PROGRAM AND TERMINAL - A biometric authentication method if provided for an individual to be authenticated amongst a very large quantity of individuals with an authentication system storing a set of reference information each associated to one of the individuals. The reference information is distributed across a plurality of sub-databases. The method includes a phase of adding reference information representative of a new individual, including selecting the sub-database that is best adapted to store the reference information to be added. A phase of authentication includes: provision by the individual of authentication biometric information and of an identifier forming addressing information, designating at least one of said sub-databases likely to contain the reference information representative of said individual; and searching amongst the reference information stored by the authentication system, of reference information corresponding to the individual, the searching being carried out on a subset of said set of reference information, identified by the addressing information. | 04-16-2009 |
20090097715 | PROCEDURE FOR IDENTIFYING A PERSON BY EYELASH ANALYSIS - A procedure for identifying a person with a data acquisition device ( | 04-16-2009 |
20090103784 | EFFECTIVE RED EYE REMOVAL IN DIGITAL IMAGES WITHOUT FACE DETECTION - Methods and apparatuses for detecting and correcting red-eye in an image are provided. In one aspect, red-eye can be detected without detecting faces. Red-eye candidates are identified and eliminated by evaluating a series of statistics, including color, size, shape, distance, etc. A plurality of regions, including an eye region, a pupil region, an iris region, and a sclera region can be associated with each red-eye candidate. Color distribution statistics are computed with respect to the presence of target color, glint, skin, or other-color pixels in the plurality of regions. Red-eye candidates may be paired with other red-eye candidates for further processing. Further statistics may be computed based on the location of the red-eye candidates in the image, and the location of each red-eye candidate relative to other red-eye candidates. Pixels associated with selected red-eye candidates may be color adjusted. | 04-23-2009 |
20090103785 | OCULAR IDENTIFICATION SYSTEM FOR USE WITH A MEDICAL DEVICE - A method and system for authenticating a user of a medical device is provided. Ocular signatures are stored in a database for at least one permitted user. Stored ocular signatures are compared to an individual ocular signature. The user can employ selected functionality of the medical device when at least one stored ocular signature substantially matches the individual ocular signature. The device may include a medical component and a computing device. The computing device includes a database configured to receive and maintain permitted user ocular signatures and a computational utility configured to compare the ocular signature of the user to at least one permitted user ocular signature maintained in the database. Upon determining that the ocular signature of the user substantially matches at least one permitted user ocular signature, the user is authorized to employ selected functionality of the medical device. | 04-23-2009 |
20090110243 | Camera and image recording program product - A camera includes: an image-capturing unit that captures images of a photographic subject by image sensors and creates image data of a plurality of shot images based on an instruction for continuous shooting by a user; an identification unit that performs, each time when image data of one shot image from among the plurality of shot images is created, a state judgment whether or not eyes of a person included in the photographic subject appearing in the one shot image are open and identifies image data of the one shot image as identified image data when a result of the state judgment is YES; and a recording unit that records the identified image data in a nonvolatile storage medium. | 04-30-2009 |
20090116701 | SECURE PUPIL RESPONSE TESTING - In a system for carrying out pupil response testing, an individual who is to be tested is provided with a portable programmable device, for example, a smartcard carrying data representing personal information, for example, the age and gender of the holder. An interface device comprises means for reading the said data from the programmable device, such as a smartcard reader, and test means including a camera for carrying out pupil response testing. Control means process the results from the pupil response test in dependence on the data read from the programmable device by the interface device. Preferably, the smartcard or other programmable device also carries biometric data identifying the individual to whom the programmable device has been issued and the interface device is operable to read the biometric data from the smartcard and verifying that the holder is the individual to whom the smartcard has been issued. The camera which forms part of the pupil response testing means is used to perform the biometric scan, for example, an iris scan, of the holder for verification purposes. | 05-07-2009 |
20090123036 | Mapping of Retinal Parameters from Combined Fundus Image and Three-Dimensional Optical Coherence Tomography - A second retinal characterization data set is mapped to a first retinal characterization dataset. The first retinal characterization dataset is displayed as a first graphical map. The second retinal characterization dataset is displayed as a second graphical map which is mapped to the first graphical map. The second graphical map may be warped and morphed onto the first graphical map. Retinal characterization datasets may be derived either from a fundus image or from a retinal parameter dataset calculated from a three-dimensional optical coherence tomography scan of a retina. Retinal parameter datasets may characterize parameters such as retinal thickness. In an embodiment, a fundus image is warped and morphed onto a retinal surface topographical map. | 05-14-2009 |
20090141946 | Image Processing Method, Image Processor, Photographic Apparatus, Image Output Unit and Iris Verify Unit - An iris region of an eye is detected from an original image (S | 06-04-2009 |
20090161922 | SECURITY TECHNIQUE FOR CONTROLLING ACCESS TO A NETWORK BY A WIRELESS DEVICE - The present invention relates to a method for protecting the security of a computer network which is accessed through the use of wireless devices, among other means. Specifically, the present invention pertains to a method of using user-specific biometric data to identify users of wireless devices such as PDAs and yet prevent use by unauthorized persons and prevent changing of the biometric data by unauthorized persons. The method also prevents unauthorized access, and facilitates authorized access, to computer networks. Control of access to the biometric data and control of access to the network can be maintained in the network administrator or other responsible body and thereby also offers security against theft. | 06-25-2009 |
20090161923 | Living Eye Judging Method and Living Eye Judging Device - An eye (EY) of a person to be shot is illuminated coaxially with the optical axis of a camera ( | 06-25-2009 |
20090169064 | Multi-scale Variable Domain Decomposition Method and System for Iris Identification - The present invention relates to an iris identification method and system, which divide an iris image, which is acquired for personal identification, into a plurality of equal/unequal and multiscale regions, generate a corresponding code corresponding to the respective regions, organizing codes into a database, generate a code at the time of authentication in the same manner, and identify a person by comparing this code with the codes stored in the database, thus improving identification speed and rate. | 07-02-2009 |
20090175507 | MOBILE ISSUANCE OF OFFICIAL DOCUMENTS WITH BIOMETRIC INFORMATION ENCODED THEREON - A system for automatically obtaining a printable photographic image of an object for a document, particularly adaptable to police traffic-ticket dispensing situations is described. A tablet computer with a stylus input display device has a video camera device associated with it that points at the object of the document, in the preferred example the object of the document being the suspect or perpetrator of the offense. Wireless communication with a printer affiliated with another computer in the police car makes printing of the ticket easy, and additional wireless connections to remote databases provides the officer at the scene with confirmation of the object's identity and additional information. The end result is a ticket or document that is self proving and can be used to confirm the identity of the holder of the document when presented. This system can also be used in transportation, commercial, and medical settings. Many additional applications for authenticating transactions of various types are described, and electronically transferable documents may be used in place of printed documents in some embodiments. | 07-09-2009 |
20090202113 | PERSONAL AUTHENTICATION METHOD AND PERSONAL AUTHENTICATION DEVICE UTILIZING OCULAR FUNDUS BLOOD FLOW MEASUREMENT BY LASER LIGHT - A personal authentication method comprising imaging, on an image sensor as a laser speckle using an optical system, light reflected from retinal blood vessels of the ocular fundus and a blood vessel layer in ocular fundus internal tissue when a laser beam is expanded and made to irradiate the ocular fundus, calculating a quantity that represents the rate of change with respect to time of the amount of light received for each pixel of the laser speckle, obtaining an ocular fundus blood flow map as a two-dimensional map of the numerical values of the quantity, and comparison-checking against pre-registered personal data utilizing at least one, observed in the blood flow map, of blood flow distribution data, a pattern reflecting the course of retinal blood vessels, a pattern reflecting the course of blood vessels in ocular fundus internal tissue observed superimposed thereon, and data on changes thereof over time, and a device therefor. In accordance with the method and device of the present invention utilizing the ocular fundus blood flow rate map, a personal authentication method and device can be obtained that have remarkably higher accuracy than conventional methods and devices. | 08-13-2009 |
20090214086 | Vision Correction Aid System - The invention relates to a system that is used to aid in determining vision correction. The inventive system is characterised in that it combines: a camera which can take animated images of the subject's face along a determined visual axis; a display device which represents the images taken by the camera; an accessory which can be worn by the subject in a fixed manner on the head and which bears a plurality of visual reference marks; means which form the visual reference mark(s) and which can cover at least two determined regions in relation to the camera; and image-analysis means which can analyze the position of the visual reference marks in the images taken by the camera and deduce therefrom the position and spatial orientation of the accessory and, consequently, the subject's head when the subject is looking at a visual target, in order to ascertain information relating to the visual behaviour of the subject when the subject moves the direction in which he/she is looking. | 08-27-2009 |
20090220126 | PROCESSING AN IMAGE OF AN EYE - An image of an eye is first captured and stored, as a 256 grey level image or as a colour image, and is then evaluated to determine thresholds between the values of pixels representing different parts of the eye. The thresholds are used to determine the boundary between the pupil and the iris and the boundary between the iris and the selera by determining the points at which lines across the image change their value with respect to a threshold value. Once the location of the iris has been found, the image is further processed to extract a biometric code from the iris using a linearisation procedure followed by a wavelet transformation. Finally, a biometric code is output by the processor. | 09-03-2009 |
20090245594 | IRIS IMAGING AND IRIS-BASED IDENTIFICATION - An iris of an individual is imaged while illuminated with electromagnetic radiation having an illumination spectrum that is selected based on a color of the iris. The illumination spectrum/spectra is/are selected so that the resulting image will have a sufficient amount of detail of the iris as required for the application, such as identification of the individual. Alternatively, the iris can be imaged multiple times while illuminated by electromagnetic radiation of one of multiple different illumination spectra, and the best image or a combination of the images can be used for the application. | 10-01-2009 |
20090245595 | Systems And Methods For Detecting Red-eye Artifacts - Systems and methods for detecting red-eye artifacts in a digital image are provided. In this regard, a representative system, among others, includes a processing device that facilitates execution of programs stored in the image processing device and memory that is electrically coupled to the processing device. The memory is configured to store the programs that include a red-eye detection manager, which is configured to detect a red-eye in the digital image based on the detection of excited state of normal-eye that causes the red-eye. | 10-01-2009 |
20090252382 | SEGMENTATION OF IRIS IMAGES USING ACTIVE CONTOUR PROCESSING - Aspects of the present invention are generally directed to processing of an obtained iris image. An iris is image is segmented for use in a biometric recognition scheme. | 10-08-2009 |
20090296996 | TECHNIQUES AND APPARATUS FOR INCREASING ACCURACY OF IRIS AUTHENTICATION BY UTILIZING A PLURALITY OF IRIS IMAGES - A plurality of iris images are acquired (SA | 12-03-2009 |
20090324021 | Method of Identification of a Person on the Iris of the Eye (Embodiments) - The present invention is aimed at improving accuracy of identifying a person. The above object has been achieved by the fact that a method of identification of a person on the iris thereof comprises recording of an iris color image and its further processing over several different spectral (color) ranges and forming an identification code with respect to each of these ranges; the fact of identification of a person being determined according to matching of identification codes over all spectral ranges to be processed. The above object has also been achieved by the fact that a method of identification of a person on the iris thereof comprises recording of an iris color image over several different spectral (color) ranges and its further processing over the same several different spectral ranges and forming an identification code with respect to each of these ranges; the fact of identification of a person being determined according to matching of identification codes over several or all spectral ranges. | 12-31-2009 |
20100002912 | Facial feature evaluation based on eye location - One embodiment of the present invention includes interrogating a location along a face of a person with multiple wavelengths of electromagnetic radiation. Signals are established corresponding to detection of the wavelengths reflected from the location. A determination is made as to whether a disguising material covers at least a part of the face based on a difference in range to the location indicated by these signals. Alternatively, the signals may correspond to reflections by different portions of an eye of the person and a determination is made regarding the location of one or more eyes of the person based on the signals. In one particular nonlimiting form, a multispectral, three-dimensional signature of facial features is registered to eye location that may include the iris, nose, chin, mouth, check or the like for facial recognition/identification. | 01-07-2010 |
20100002913 | DISTANCE IRIS RECOGNITION - A system for one dimensional segmentation of an iris of an eye into a map of the iris and classification of the map into unaffected areas and affected areas. Also, the system may provide for regular shape fitting of the areas for normalization and identifying the unaffected areas as symmetric segments. Further, the system may assign weights to the unaffected areas and the affected areas of the map of the iris and an enrolled map of an iris and their corresponding bins for matching purposes. | 01-07-2010 |
20100014718 | Computationally Efficient Feature Extraction and Matching Iris Recognition - A method and system for uniquely identifying a subject based on an iris image. After obtaining the iris image, the method produces a filtered iris image by applying filters to the iris image to enhance discriminative features of the iris image. The method analyzes an intensity value for pixels in the filtered iris image to produce an iris code that uniquely identifies the subject. The method also creates a segmented iris image by detecting an inner and outer boundary for an iris region in the iris image, and remapping pixels in the iris region, represented in a Cartesian coordinate system, to pixels in the segmented iris image, represented in a log-polar coordinate system, by employing a logarithm representation process. The method also creates a one-dimensional iris string from the iris image by unfolding the iris region by employing a spiral sampling method to obtain sample pixels in the iris region, wherein the sample pixels are the one-dimensional iris string. | 01-21-2010 |
20100021016 | METHOD FOR IDENTIFYING A PERSON AND ACQUISITION DEVICE - A method for identifying a person ( | 01-28-2010 |
20100021017 | MOBILE BIOMETRIC IDENTIFICATION SYSTEM AND METHOD - A mobile biometric identification system and method provided in a small mobile housing. The system and method provide rapid determination of identity, or in the alternative, rapid determination of whether an individual's identification information is in a particular database, for example, by iris recognition. The system and method return one of a small number of easily recognizable results, such as “Not Known”, “Known Friendly,” and “Known Unfriendly” by illumination of various LEDs. The configuration and meaning of the LEDs may be customized to a particular application. | 01-28-2010 |
20100046808 | SALTING SYSTEM AND METHOD FOR CANCELABLE IRIS BIOMETRIC - A system and method for generating a cancelable biometric includes providing at least one pattern and combining the at least one pattern with a biometric image by employing a transform pixel operation to generate a transformed enrollment such that information about the transform pixel operation and the at least one pattern form a security key for protecting the biometric image. The biometric image is reused to generate another security key in the event that the security key is to be canceled. | 02-25-2010 |
20100054548 | Apparatus for detecting a pupil, program for the same, and method for detecting a pupil - A pupil detecting apparatus detects an edge of a pupil in an image of a face. An outline of an upper eyelid is also detected. The apparatus selects an effective edge extending along the pupil by removing a part of edge extending along the upper eyelid from the edges detected. Then, the apparatus applies the circle Hough transformation to the effective edge in order to obtain a center of the pupil and a radius of the pupil. Thereby, it is possible to detect the pupil accurately even if a part of the pupil is covered. | 03-04-2010 |
20100061601 | Optimal registration of multiple deformed images using a physical model of the imaging distortion - Methods and systems for image registration implementing a feature-based strategy that uses a retinal vessel network to identify features, uses an affine registration model estimated using feature correspondences, and corrects radial distortion to minimize the overall registration error. Also provided are methods and systems for retinal atlas generation. Further provided are methods and systems for testing registration methods. | 03-11-2010 |
20100074477 | PERSONAL AUTHENTICATION SYSTEM AND PERSONAL AUTHENTICATION METHOD - A personal authentication system comprises an imaging section for capturing an image of a user's eye including the iris; pupil/iris region extraction section for extracting a pupil region and an iris region from the captured image; a three-dimensional polar coordinate image creation section for estimating the three-dimensional center position of the eyeball based on the extracted pupil region and iris region and for creating a three-dimensional polar coordinate image by converting the iris region into three-dimensional coordinates with reference to the center position of the eyeball; and a three-dimensional polar coordinate image coding section for creating a three-dimensional polar coordinate image code formed by extracting and coding a characteristic of the created three-dimensional polar coordinate image. The personal authentication system can create iris information highly accurately representing characteristics of a user's iris independent of the direction of line of sight of the user. | 03-25-2010 |
20100074478 | METHOD AND APPARATUS FOR IRIS BIOMETRIC SYSTEMS FOR USE IN AN ENTRYWAY - A method and apparatus for designing an iris biometrics system that operates in minimally constrained settings. The image acquisition system has fewer constraints on subjects than traditional methods by extending standoff distance and capture volume. The method receives design parameters and provides derived quantities that are useful in designing an image acquisition system having a specific set of performance requirements. Exemplary scenarios of minimally constrained settings are provided, such as a high volume security checkpoint, an office, an aircraft boarding bridge, a wide corridor, and an automobile. | 03-25-2010 |
20100098300 | Method and system for biometric identification or verification - The invention relates to a method for the biometric identification or verification of people. According to said method, biometric characteristics are detected by means of an imaging device and the identification or verification is carried out by means of the detected image data, especially by comparison with known data records and/or original images. The invention also relates to a system for carrying out the method. The aim of the invention is provide one such method and system which significantly improve the anti-violation security in a simple and secure manner. To this end, the retina of the eye is used as a biometric object for detecting the biometric characteristics, and movements and/or the immobility of the eye are detected and taken into account. | 04-22-2010 |
20100128937 | MULTI-IMAGE ACQUISITION APPARATUS - A multi-image acquisition apparatus for use in a biometrics system includes a light splitting filter for reflecting or transmitting multi-image lights representing an image of a target subject provided along an identical light path into different bands; a first image sensor for imaging an iris area by capturing a fraction of the multi-image light which has been transmitted through the light splitting filter; and a second image sensor for imaging a facial area by capturing a fraction of the multi-image light which has been reflected from the light splitting filter. The apparatus further includes a control module for controlling the first image sensor and the second image sensor and providing the images obtained by the first sensor and second sensor for image recognition. | 05-27-2010 |
20100128938 | METHOD AND APPARATUS FOR DETECTING FORGED FACE USING INFRARED IMAGE - A method for detecting a forged face using an infrared image includes: acquiring an infrared image and a photorealistic image captured by one or two cameras; extracting a face region from the photorealistic image; determining, based on analysis of quality characteristics of the infrared image, whether a current face is a forged face or not; and performing face recognition on the extracted face region if it is determined that the current face is a non-forged face. The method further includes capturing an infrared image and a photorealistic image again through the camera without performing face recognition if it is determined that the current face is a forged face. | 05-27-2010 |
20100135540 | BIOMETRIC AUTHENTICATION - A biometric authentication system, including a database of digital images of biometrics of known people, a camera for capturing a digital image of a biometric of an unknown person, a two-dimensional gradient filter coupled with said database and said camera for deriving a spatial gradient of a digital image, and a match processor coupled with the two-dimensional gradient filter for processing two spatial gradients and determining the extent to which the unknown biometric corresponds with a known biometric. A method and a computer-readable storage medium are also described and claimed. | 06-03-2010 |
20100142765 | IRIS RECOGNITION SYSTEM USING QUALITY METRICS - A system for iris recognition using a set of quality metrics, which may include eye image validation, blur assessment, offset, gazing, obscuration, visibility, and the like. These metrics may be established as quantitative measures which can automatically assess the quality of eye images before they are processed for recognition purposes. Quadrant iris analysis, histograms, map processing enhancements, and multi-band analysis may be used in aiding in the iris recognition approach. | 06-10-2010 |
20100142766 | Image Analysis - Systems and methods of processing a retinal input image to identify an area representing a predetermined feature. One method comprises processing said retinal input image to generate a plurality of images, each of said plurality of images having been scaled by a respective associated scaling factor, and each of said plurality of images having been subjected to a morphological closing operation with a two-dimensional structuring element arranged to affect the image substantially equally in at least two perpendicular directions. The plurality of images are processed to identify said area representing said predetermined feature. | 06-10-2010 |
20100142767 | Image Analysis - Systems and methods of processing a retinal input image to identify an area representing a predetermined feature. One method comprises processing said retinal input image to generate a plurality of images, each of said plurality of images having been scaled by a respective associated scaling factor, and each of said plurality of images having been subjected to a morphological closing operation with a two-dimensional structuring element arranged to affect the image substantially equally in at least two perpendicular directions. The plurality of images are processed to identify said area representing said predetermined feature. | 06-10-2010 |
20100150405 | SYSTEM AND METHOD FOR DIAGNOSIS OF HUMAN BEHAVIOR BASED ON EXTERNAL BODY MARKERS - A system and a method for identifying an individual's human code and uses thereof. | 06-17-2010 |
20100166265 | Method of Eyelash Removal for Human Iris Recognition - A method of pre-processing an image of an iris ( | 07-01-2010 |
20100172548 | Circumferential Contact-Less Line Scanning of Biometric Objects - Methods and/or systems for scanning biometric objects and compiling 2-dimensional digital images thereof, such images as can provide enhanced resolution, with reduced distortion. | 07-08-2010 |
20100183199 | SYSTEMS AND METHODS FOR BIOMETRIC IDENTIFICATION - An automated method of performing various processes and procedures includes central and/or distributed iris identification database servers that can be accessed by various stations. Each station may be equipped with a handheld staff-operated iris camera and software that can query the server to determine whether an iris image captured by the iris camera matches a person enrolled in the system. The station takes selective action depending on the identification of the person. In disclosed medical applications, the station may validate insurance coverage, locate and display a medical record, identify a procedure to be performed, verify medication to be administered, permit entry of additional information, history, diagnoses, vital signs, etc. into the patient's record, and for staff members may permit access to a secure area, permit access to computer functions, provide access to narcotics and other pharmaceuticals, enable activation of secured and potentially dangerous equipment, and other functions. | 07-22-2010 |
20100202666 | TIME-OF-FLIGHT SENSOR-ASSISTED IRIS CAPTURE SYSTEM AND METHOD - A method of identifying a living being includes using a time-of-flight sensor to determine a location of a face of the living being. An image of an iris of the living being is produced dependent upon the location of the face as determined by the time-of-flight sensor. The produced image is processed to determine an identity of the living being. | 08-12-2010 |
20100202667 | IRIS DEBLURRING METHOD BASED ON GLOBAL AND LOCAL IRIS IMAGE STATISTICS - A method of identifying a living being includes using a camera to capture a blurred visual image of an iris of the living being. The blurred visual image is digitally unblurred based on a distribution of eye image gradients in an empirically-collected sample of eye images and characteristics of pupil region. The unblurred image is processed to determine an identity of the living being. | 08-12-2010 |
20100202668 | System And Method For Measuring Clarity Of Images Used In An Iris Recognition System - An image quality measuring method enables a biometric image to be evaluated to determine whether the biometric image data are adequate for identification processing. The method includes converting a biometric image to dimensionless image data, filtering the dimensionless image data with a band pass filter, identifying a plurality of portions in the filtered data as containing identification features, each portion in the plurality having an information measurement that indicates feature content greater than portions in the filtered data that are excluded from the plurality, and measuring clarity for the biometric image from the identified plurality of portions in the filtered data. | 08-12-2010 |
20100202669 | IRIS RECOGNITION USING CONSISTENCY INFORMATION - Embodiments of the present invention include but are not limited to methods and systems for iris recognition. An iris recognition method may comprise comparing a plurality of images of an iris to determine at least one of one or more consistent features and one or more inconsistent features of the iris; and constructing an enrollment template for the iris based at least in part on the at least one of the one or more consistent features and the one or more inconsistent features. | 08-12-2010 |
20100208951 | IRIS RECOGNITION USING HYPER-SPECTRAL SIGNATURES - The spectral diversity of the iris can be used as a unique biometric identifier. By careful selection of a number of spectral bands, four or more, the hyper-spectral signature derived from data contained in those bands can distinguish color signatures that are not visually distinguishable in RGB color space to uniquely identify a person. Classification of hyper-spectral signatures requires less spatial resolution than the classification of texture signatures, maybe an order of magnitude or more. This reduces the size of the sensor aperture required at a given range. | 08-19-2010 |
20100220898 | FEATURE-BASED METHOD AND SYSTEM FOR BLUR ESTIMATION IN EYE IMAGES - A feature-based method and system for blur estimation in eye images. A blur estimation can be performed from eye/iris images in order to produce de-blurred images that are more useful for biometric identification. The eye/iris region, in particular the edge between the iris and pupil regions, can be utilized. The pattern of shutter motion or a characterization of the optical system can be utilized. By capturing a burst of images, or a video stream, one can use eye position in the images before and after a given capture to predict the motion of the eye within that capture. Because the before/after image frames need only contain the information necessary to locate the eye, and need not contain sufficient information to perform matching, the capture of these images can be accomplished with a wider range of settings. | 09-02-2010 |
20100232654 | METHOD FOR RECONSTRUCTING IRIS SCANS THROUGH NOVEL INPAINTING TECHNIQUES AND MOSAICING OF PARTIAL COLLECTIONS - A method and system for reconstructing iris scans for iris recognition is provided. A plurality of iris collection images of an iris is received. A single iris image of the iris is reconstructed using at least two of the plurality of iris collection images. Mosaicing may be used to combine at least two of the plurality of iris collection images into a single iris image. Inpainting methods, including PDE-based and exemplar-based techniques, may also be used to fill in area of missing information in an iris image. | 09-16-2010 |
20100232655 | System and method for Iris Data Acquisition for Biometric Identification - A system and related method for acquiring high quality images of the iris of an unconstrained subject comprising a camera; a controllable focusing component; a focus controller component that controls the lens to focus at successively different points within a focus range, such focus control performed without any input from measurement of whether the image is in focus or out of focus, be it based from measurements of the image or other distance metrics to the subject; and a sharpness detection component that rejects the most out-of-focus images based on measurement of focus on the image is disclosed. | 09-16-2010 |
20100246903 | METHOD OF IDENTIFYING A PERSON BY HIS IRIS - A method of identifying a person by his iris through determining an interior limit and using a predefined exterior limit to form an analysis zone. A code associated with the analysis zone is generated and compared with a previously generated reference code. If there is no match another predefined exterior limit is used. The process repeats as long as predefined exterior limits exist or until a positive match is made. | 09-30-2010 |
20100266165 | METHODS AND SYSTEMS FOR BIOMETRIC IDENTIFICATION - A method for identifying an iris image can include obtaining an iris image of an eye, segmenting the iris image, generating, from the segmented iris image, a normalized iris image, and generating, from the normalized iris image, an iris template. The method can also include generating a modified iris template by extracting a portion of the iris template, comparing the modified iris template with a plurality of previously stored other modified iris templates and matching the modified iris template with one of the plurality of previously stored other modified iris templates. The method can also include generating a modified iris template by extracting a portion of the iris template, comparing the modified iris template with a plurality of previously stored other modified iris templates, and matching the modified iris template with one of the plurality of previously stored other modified iris templates. | 10-21-2010 |
20100272327 | Task-Based Imaging Systems - A method for generating an output image of a scene is disclosed. A detector of a task-based imaging system includes a plurality of pixels, and the scene includes at least one object located at a given object distance within a range of object distances between the object and the imaging system. The method includes capturing a high resolution image of the scene, converting the high resolution image into an image spectrum of the scene, determining a defocused optical transfer function (OTF) of the imaging system over the range of object distances and determining a pixel modulation transfer function (MTF) over the plurality of pixels. The method also includes multiplying the image spectrum with the OTF and the MTF to generate a modified image spectrum of the scene, converting the modified image spectrum into a modified image of the scene, and generating the output image from the modified image. | 10-28-2010 |
20100278394 | Apparatus for Iris Capture - An apparatus comprising an illumination source and an imaging sensor is provided to measure an iris for biometric identification purposes. The illumination source is configured to illuminate an eye to produce reflected light. The imaging sensor is configured to receive the reflected light. An optical path is formed for the reflected light from the eye to the imaging sensor. | 11-04-2010 |
20100284576 | Iris data extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 11-11-2010 |
20100290676 | DAUBECHIES WAVELET TRANSFORM OF IRIS IMAGE DATA FOR USE WITH IRIS RECOGNITION SYSTEM - Disclosed is a method of recognizing human iris using Daubechies wavelet transform, wherein the dimensions of characteristic vectors are reduced by extracting iris features from inputted iris image signals through the Daubechies wavelet transform, binary characteristic vectors are generated by applying quantization functions to the extracted characteristic values so that utility of human iris recognition can be improved since storage capacity arid processing time thereof can be improved since storage capacity characteristic vectors, and a measurement process suitable for the low capacity characteristic vectors is employed when measuring vectors and previously registered characteristic vectors. | 11-18-2010 |
20100303308 | Method for Selecting Images - A method for selecting an image is presented. | 12-02-2010 |
20100310133 | BIOMETRIC AUTHENTICATION USING THE EYE - This invention concerns apparatus and a method for authenticating a subject using their eye as an identifying biometric, in particular the shape of their cornea. The apparatus comprises an image projection device to generate and project an image of a pattern, made up of plural discrete points, onto at least a part of the cornea of an eye of the person. An image capture device to capture an image of the pattern of plural discrete points, after reflection in at least a part of the cornea of an eye of the person. And, a computer processor to extract a data set defining the locations of the discrete points in the captured image. The method comprises capturing an image of an illuminated pattern, made up of plural discrete points, after reflection in at least a part of the cornea of an eye of the subject. Comparing the locations of the discrete points in the pattern of the captured image against the locations of the discrete points in the pattern of a reference image. And, authenticating the identity of the subject depending on the similarity of comparison. In a further aspect the invention is software for performing the method. | 12-09-2010 |
20100316263 | IRIS AND OCULAR RECOGNITION SYSTEM USING TRACE TRANSFORMS - An iris and ocular recognition system using trace transforms. The system may acquire an eye image and provide it to an image quality metrics determination module for a quality evaluation to indicate whether the image goes to an iris recognition module and/or a trace transform module. The trace transform may also be used as a pre-filtering mechanism to determine a small database from bigger datasets. If the quality evaluation reaches a predefined quality measure, the image may be passed immediately to the iris recognition module. If not, the image may go to the trace transform module. If the quality evaluation is too poor for the latter, the image may be rejected subject to rehabilitation or reacquisition. A processed image from the iris recognition module may result in an only best match. A processed image from the trace transform module may be lined up instead with the most probable matches. | 12-16-2010 |
20100316264 | IMAGING METHOD AND DEVICE USING BIOMETRIC INFORMATION FOR OPERATOR AUTHENTICATION - Essentially coincident with the capture of an image by the imaging device, biometric information indicating the identity of the operator of the device is obtained from at least one biometric sensor. The biometric information and captured image are then stored in a manner reliably associating each with the other. At a later time, biometric information is obtained from a supposed operator of the imaging device. By comparing this candidate biometric information with the stored biometric information, the supposed operator may be authenticated as the operator of the imaging device at the time of capture of the stored image. | 12-16-2010 |
20110002510 | OPERATOR INTERFACE FOR FACE AND IRIS RECOGNITION DEVICES - A primarily hand-held or adjustable-mount iris recognition device wherein feedback to the operator is provided by visible illumination or imagery projected onto the face of the subject, as well as an audio signal, while infra-red illumination is projected onto the face of the subject as an illumination source for an iris recognition process. When the device is pointed in the direction of the subject, the infra-red illumination is directed to illuminate primarily the eye region whereas the visible illumination is directed to illuminate primarily other regions including the cheeks. The visible illumination is configured such that the position of the visible illumination on the face indicates to the operator whether the iris recognition device is pointed in the correct direction and at the correct distance for optimal iris recognition. The brightness of the visible illumination is modified in response to the result of an eye detection process performed on the iris recognition device, and the brightness, color and other attributes of the visible illumination or the audio signal are modified in response to the result of eye-finding or other process, including the results of an iris recognition process. | 01-06-2011 |
20110033090 | REFLEXIVE IRIS TEMPLATE - A system, method and program product for providing a reflexive data collection system and a reflexive data verification system. A system is provided that includes: a system for defining a set of environmental conditions; a device for automatically implementing the set of environmental conditions; a system for collecting biometric data under the set of environmental conditions; and a system for encoding the biometric data and the set of environmental conditions into a reflexive template. A further system is provided that includes a system for retrieving and decoding a reflexive template associated with the individual to obtain at least one biometric data value and a set of environmental conditions under which the at least one biometric data value was obtained; a device for implementing the set of environmental conditions; a system for collecting at least one new biometric data value under the set of environmental conditions; a system for comparing the at least one biometric data value with the at least one new biometric data value to determine if a match exists; and a system for outputting a verification result. | 02-10-2011 |
20110033091 | METHOD OF AUTHENTICATING INDIVIDUAL AND APPARATUS OF AUTHENTICATING INDIVIDUAL USED FOR THE SAME - Individual authentication method and apparatus therefor, wherein at least one information out of an eyeground blood vessel image information obtained by an optical means, eyeground blood flow distribution image information obtained by using a laser, and information relating to the change over time thereof is compared and collated with personal information registered in advance, and at least the one information out of the eyeground blood vessel image information, the eyeground blood flow distribution image information, and the information relating to the change over time thereof within a measurement field of view obtained in a direction of a line of sight fixed by a fixation target registered in advance is compared and collated with the personal information registered in advance. The fixation target for fixing the direction of the line of sight may be selected from a plurality of fixation points, such as a part of a character string, a part of a still image, or a part of a moving picture, and has an information of which of them to fixedly view registered in advance. An improved technology for further reinforcing the individual authentication method using measurement of an eyeground blood vessel pattern or an eyeground blood flow distribution is provided. | 02-10-2011 |
20110058712 | BIOMETRIC RECOGNITION THROUGH EXAMINATION OF THE SURFACE MAP OF THE SECOND OCULAR DIOPTRIC - The object of the invention is a method and the corresponding device thereof for recognition of persons incorporating, as biometric constant and determinant for each individual, the irregularities of the map of the posterior surface of the cornea, being different in each individual. The invention is based on taking an image exclusively of the second ocular dioptric with the objective of determining the irregularities of the surface map thereof with respect to a standardised surface (sphere, ellipsoid, torus, etc.) and quantifying them, yielding a set of attributes characteristic of each person utilised as a system of authentication, that is to say utilising the variations and calculations carried out therewith as biometric minutiae. Taking an image is of proven safety insofar as it may be taken without any contraindication whatsoever and as many times as necessary. | 03-10-2011 |
20110075892 | SYSTEM AND METHOD FOR GENERATING AND EMPLOYING SHORT LENGTH IRIS CODES - A system and method for generating compact iris representations based on a database of iris images includes providing full-length iris codes for iris images in a database, where the full-length iris code includes a plurality of portions corresponding to circumferential rings in an associated iris image. Genuine and imposter score distributions are computed for the full-length iris codes, and code portions are identified that have a contribution that provides separation between imposter and genuine distributions relative to a threshold. A correlation between remaining code portions is measured. a subset of code portions having low correlations within the subset is generated to produce a compact iris representation. | 03-31-2011 |
20110075893 | IRIS RECOGNITION SYSTEM AND METHOD - A system and method for performing an identity search in a database of iris images for a probe iris image includes generating a full-length iris code and a compact iris code for iris images in a database, and generating a full-length iris code and a compact iris code for a probe iris image. The compact iris code for the probe image is scored against all compact iris codes in the database. A fraction of the database is retained based on score data. The full length iris code for the probe image is scored against all the full length iris codes in the retained portion of the database. | 03-31-2011 |
20110096960 | METHOD AND APPARATUS FOR EYE-SCAN AUTHENTICATION USING A LIQUID LENS - A method and apparatus for providing eye-scan authentication using an adaptive liquid lens are disclosed. For example, in one embodiment, the method receives a request for eye-scan authentication from a mobile endpoint device of a user, wherein the request comprises a first retinal image of the user captured using an adaptive liquid lens of the mobile endpoint device. The method obtains a second retinal image of the user, wherein the second retinal image is a stored retinal image of the user. The method authenticates the first retinal image against the second retinal image. In another embodiment, the method captures a first retinal image of a user via a mobile endpoint device of the user, wherein the mobile endpoint device comprises an adaptive liquid lens. The method then sends a request for eye-scan authentication from the mobile endpoint device over a network, wherein the request comprises the first retinal image. | 04-28-2011 |
20110142297 | Camera Angle Compensation in Iris Identification - An iris biometric image is analyzed to determine the apparent angle of the eye in the image, relative to an arbitrarily selected reference axis. The angle information is stored for use by the matching engine and/or the image data is modified to normalize the angle relative to the reference axis. In this manner, rotationally normalized data may be stored to facilitate future comparisons, and images obtained in real time may be used for iris identification in a matching engine that automatically compensates for angular variation. | 06-16-2011 |
20110150293 | Methods, Systems and Computer Program Products for Biometric Identification by Tissue Imaging Using Optical Coherence Tomography (OCT) - Optical coherence tomography (OCT) imaging systems for imaging uniquely identifiable structure are provided including a source having an associated source arm path and having an associated reference arm path coupled to the source path, the reference arm path having an associated reference arm path length. A sample having an associated sample arm path coupled to the source arm and reference arm paths is provided. Processing methods to convert the depth-dependent image data to a uniquely identifiable code are provided. Related methods and computer program products are also provided. | 06-23-2011 |
20110182483 | SYSTEM AND METHOD FOR CANCELABLE IRIS RECOGNITION - A method of generating a biometric feature descriptor has been developed that includes acquiring an image of an anatomical feature having a biometric feature, isolating a region of the image having the biometric feature, extracting image data from the image of the region to identify a plurality of features for the biometric feature, transforming the extracted image data for each identified feature into a plurality of feature descriptors, mapping the feature descriptors for the plurality of features into a first arrangement of feature descriptors, generating a second arrangement of feature descriptors with a non-invertible transform of the first arrangement of feature descriptors, and storing the second arrangement of feature descriptors into an electronic database. | 07-28-2011 |
20110194738 | METHOD FOR ACQUIRING REGION-OF-INTEREST AND/OR COGNITIVE INFORMATION FROM EYE IMAGE - The present invention provides a method for acquiring region-of-interest and/or cognitive information from an eye image, comprising the steps of: preprocessing, standardizing, and coding the group of eye images for region-of-interest information or cognitive information to create eye image codes and to build a characteristic eye library in a memory in order to improve an iris recognition rate; grouping and partitioning or covering eye codes for eye images stored in the characteristic eye library into a plurality of groups, and obtaining a representative eye code of each of the eye code groups, preprocessing, standardizing, and coding a new eye image not assigned region-of-interest information or cognitive information in the same way as the above-described step to create a test eye code, matching the test eye image to the most similar eye image in the characteristic eye library, and transferring the region-of-interest information or cognitive information assigned to the matched eye image to the test eye image. The transferred information is utilized in the preprocessing of the eye image. | 08-11-2011 |
20110200235 | Iris Data Extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 08-18-2011 |
20110206243 | MULTI-BIOMETRIC IDENTIFICATION SYSTEM - An identification system for authenticating individuals may include enrolling an individual's iris images into a database for late comparison during an identification process. A security attendant may enroll the individual with a mobile device having an iris camera, which captures the individual's iris images. The attendant may also insert biographical information and a face image of the individual. When the individual may be authenticating by walking through a pedestrian lane having an iris camera identification system. The system captures the individual's iris images and compares them to previously enrolled iris images. A nearby security attendant may be alerted to individuals proceeding through a pedestrian lane who have not been previously enrolled. | 08-25-2011 |
20110249872 | IMAGE TEMPLATE MASKING - A method of identifying images as matching comprises comparing two image templates using a master mask to select corresponding codes from the templates. The master mask excludes blocks from the matching process and/or weights blocks according to their known or expected reliability. | 10-13-2011 |
20110274319 | BIOMETRIC AUTHENTICATION APPARATUS, BIOMETRIC AUTHENTICATION METHOD AND RECORDING MEDIUM - A plurality of pieces of information related to the iris pattern of an eye can be checked against each other in a short time. Characteristic curves (S( | 11-10-2011 |
20110280454 | IMAGE PROCESSING APPARATUS, BIOMETRIC AUTHENTICATION APPARATUS, IMAGE PROCESSING METHOD AND RECORDING MEDIUM - A region of an iris image where eyelash and other part images are mixed is identified with accuracy. The noise region of an iris image contained in a digital eye image (P | 11-17-2011 |
20110299741 | Distinguishing Live Faces from Flat Surfaces - Multiple images including a face presented by a user are accessed. One or more determinations are made based on the multiple images, such as a determination of whether the face included in the multiple images is a 3-dimensional structure or a flat surface and/or a determination of whether motion is present in one or more face components (e.g., eyes or mouth). If it is determined that the face included in the multiple images is a 3-dimensional structure or that that motion is present in the one or more face components, then an indication is provided that the user can be authenticated. However, if it is determined that the face included in the multiple images is a flat surface or that motion is not present in the one or more face components, then an indication is provided that the user cannot be authenticated. | 12-08-2011 |
20110299742 | METHOD FOR CORRECTING THE POSITION OF THE EYES IN AN IMAGE - A method for determining the position of the eyes includes: a step for determining approximate positions of the eyes in the digital image; a step for determining adjacent positions; a step of geometric transformation of the digital image into normalized images in such a way as to make the adjacent positions coincide with the reference positions; a step of comparison of at least a part of each normalized image with a corresponding part of a predetermined image, each comparison providing a score representing the level of resemblance between the parts of images; and a step of declaration of the adjacent positions associated with the best score as actual positions of the eyes of the face. | 12-08-2011 |
20110317882 | BIOMETRIC MATCHING METHOD AND APPARATUS - A biometric matching apparatus comprising, an output, an input for acquiring items of biometric data, a memory and a processor, the memory comprises, a template database in which is stored a plurality of templates of items of biometric data, each template comprising a template identifier, and a sequence database in which is stored a plurality of sequences, each sequence comprising data that corresponds to template identifiers in a stored sequence order, and comprising further data or a sequence identifier for relating to further data, wherein the apparatus comprises a matching mechanism which is configured to match, after a user has entered a series of items of biometric data into the input, each inputted item against templates in the template database by comparing each item with templates and by selecting a number of templates which satisfy predetermined matching criteria based on the inputted item, and creating a list of selected templates for each inputted item, the matching mechanism is configured to store the lists in the memory in a lists order corresponding to the input order of items in the series, and is configured to identify a sequence from the sequence database in which each of the corresponding template identifiers in the sequence order relates to a selected template included in the list of selected templates which is in a position in the stored lists order corresponding to the position of the identifier in the sequence order, and the processor is configured to use the identified sequence to send the corresponding further data or sequence identifier to the output for identification of a user. | 12-29-2011 |
20110317883 | TECHNIQUES AND APPARATUS FOR INCREASING ACCURACY OF IRIS AUTHENTICATION BY UTILIZING A PLURALITY OF IRIS IMAGES HAVING DIFFERENT PUPIL DIAMETER/IRIS DIAMETER RATIOS - A plurality of iris images are acquired (SA | 12-29-2011 |
20120020534 | EXPEDIENT ENCODING SYSTEM - An encoding system for an iris recognition system. In particular, it presents a robust encoding method of the iris textures to compress the iris pixel information into few bits that constitute the iris barcode to be stored or matched against database templates of same form. The iris encoding system is relied on to extract key bits of information under various conditions of capture, such as illumination, obscuration or eye illuminations variations. | 01-26-2012 |
20120027265 | DATA SECURITY SYSTEM - A data security system comprises a host processor, and a plurality of remote computers. Each remote computer provides biometric authentication of a user prior to responding to the user request for data access. The remote computers are handheld when in operational mode. A sensor in the handheld computer captures a biometric image while the remote computer is being used. The biometric sensor is positioned in such a way that the sensor enables the capture of the biometric image continually during computer usage with each request for access to secure data. The biometric authentication occurs in a seamless manner and is incidental to the data request enabling user identity authentication with each request to access secure data. | 02-02-2012 |
20120027266 | TIME-OF-FLIGHT SENSOR-ASSISTED IRIS CAPTURE SYSTEM AND METHOD - A method of identifying a living being includes using a time-of-flight sensor to determine a location of a face of the living being. An image of an iris of the living being is produced dependent upon the location of the face as determined by the time-of-flight sensor. The produced image is processed to determine an identity of the living being. | 02-02-2012 |
20120033860 | MOBILE PHONE SECURITY SYSTEM AND OPERATING METHOD THEREOF - A mobile phone security system includes a trigger module, an image acquisition module, a microprocessor and a database. The trigger module is capable of triggering the image acquisition module to capture at least one pupil image of a proximal party. The database is coupled with the microprocessor and capable of storing pupil images of authorized users. The microprocessor includes a comparison module and a response module. The comparison module is capable of comparing the pupil image captured by the image acquisition module with the stored pupil image, and generating a result notification. The response module is capable of making a determination as to whether or not the captured pupil image matches the at least one pupil image stored in the database, and generating a responsive action to lock or unlock the mobile phone. The disclosure further provides a method for using the mobile phone security system. | 02-09-2012 |
20120045102 | USER SETTINGS SYSTEM AND METHOD OF USING THE SAME - A user settings system includes a trigger module, an image acquisition module, a microprocessor and a database. The trigger module implements the image acquisition module to capture a pupil image of a driver. The database is coupled with the microprocessor, and stores at least one pupil image of at least one authorized user and the personalized settings of the authorized user. The microprocessor includes a comparison module, a response module, and an implementation module. The comparison module compares the pupil image of the driver captured by the image acquisition module with the stored pupil images in the database and generates a result notification to the response module. The response module determines whether or not a matching pupil image is found. The implementation module automatically activates the personalized settings stored in the database. | 02-23-2012 |
20120076366 | SYSTEM AND METHOD FOR BIOMETRIC IDENTIFICATION | 03-29-2012 |
20120082349 | METHOD AND APPARATUS FOR IMAGE GENERATION - Method and apparatus for image generation from biometric data is disclosed herein. In a described embodiment, the biometric data is in the form of IrisCode and the method comprises constructing a graph of filter responses and bits which define the biometric data at | 04-05-2012 |
20120134546 | RED EYE DETECTION AIDED BY FACE DETECTION - A method for identifying a pair of genuine red eye artifacts in a captured image includes the steps of determining the presence of a face in the captured image, substantially encompassing the face within a shape, and determining the presence of three or more candidate red eye artifacts within the shape. The method continues with measuring the distance from an edge of the shape to each of the three or more candidate red eye artifacts and identifying, as genuine red eye artifacts, two candidate red eye artifacts of the three or more candidate red eye artifacts that are within a predetermined vertical distance from the edge of the shape. | 05-31-2012 |
20120140992 | SYSTEM AND METHOD FOR NON-COOPERATIVE IRIS RECOGNITION - A method processes segmented iris images obtained by a non-cooperative image acquisition system to generate descriptors for features in the segmented iris image that are tolerant of segmentation error. The method includes receiving a segmented iris image, and selecting feature points in the segmented iris image to describe an iris locally. | 06-07-2012 |
20120148116 | Identity Verification Device - Provided is an apparatus for identifying person's identity. User's eyeballs may be precisely located in an operation region of the apparatus for identifying the person's identity, i.e., a photograph region in which an iris image of a user to be identified by the camera can be photographed using an indicator provided by the apparatus for identifying the person's identity. Also, a limitation in which the user's eyeballs are located at positions different from each other due to person's parallaxes different from each other even though the indicator is provided at the same position may be solved to locate the eyeballs of the user to be identified using the apparatus for identifying the person's identity at the same position. | 06-14-2012 |
20120163678 | SYSTEM AND METHOD FOR IDENTIFYING A PERSON WITH REFERENCE TO A SCLERA IMAGE - A method for obtaining an identification characteristic for a subject includes acquiring an image of an eye of the subject, segmenting the eye image into different regions, extracting features in a sclera region segmented from the eye image, and generating data identifying at least one feature extracted from the sclera region of the eye image. | 06-28-2012 |
20120207357 | OCULAR AND IRIS PROCESSING SYSTEM AND METHOD - A condition based method that selects an appropriate approach among various iris and ocular image recognition algorithms for matching periocular images of a probe and target as a function of quality of images to obtain robust matching even under non-ideal acquisition scenarios. | 08-16-2012 |
20120213418 | MULTIMODAL OCULAR BIOMETRIC SYSTEM AND METHODS - Biometric systems capture and combine biometric information from more than one modality, employing digital processing algorithms to process and evaluate captured images having data for a biometric characteristic. Such digital algorithms may include a pupil segmentation algorithm for determining a pupil image in the captured image, an iris segmentation algorithm for determining an iris image in the captured image, an eyelid/eyelash segmentation algorithm for determining an eyelid/eyelash image in the captured image, and an algorithm for measuring the focus on the iris. Some embodiments employ an auto-capture process which employs such algorithms, in part; to evaluate captured images and obtain the best possible images for biometric identification. | 08-23-2012 |
20120230553 | APPARATUS AND METHOD FOR DETECTING EYE STATE - The present invention is directed to an eye state detecting apparatus and method, that is, including the step of preliminarily discriminating an eye opening and an eye closure by setting an automatic threshold from an eye region and thus dividing an image, and obtaining boundary points of divided zones and using an ellipse most properly equal to the boundary points and consecutively the step of in a case preliminarily discriminated as the eye closure, if an eye closure time is greater than a preset threshold time, the eye state is discriminated into an eye closure, and if not greater, discriminated into an eye blinking. | 09-13-2012 |
20120243749 | MIRROR SYSTEM AND METHOD FOR ACQUIRING BIOMETRIC DATA - A system and method for obtaining biometric imagery such as iris imagery from large capture volumes is disclosed wherein a substantially rotationally symmetric mirror such as a cone or sphere is rotated at a constant velocity about a central axis. | 09-27-2012 |
20120275664 | METHOD OF PUPIL SEGMENTATION - A method of pupil segmentation in a digital image of a vertebrate eye, said image being an intensity image composed of pixels having each a specific intensity value, the method comprising the steps of:
| 11-01-2012 |
20120275665 | METHOD OF GENERATING A NORMALIZED DIGITAL IMAGE OF AN IRIS OF AN EYE - The present invention pertains to a method of generating a normalized digital image of an iris of an eye for the purpose of creating an iris code for identification of vertebrates, including humans, the method comprising the steps of:
| 11-01-2012 |
20120288164 | COMPARING DEVICE - When comparing a reference image and a registered image, a reference image is defined as a high-resolution image of the highest resolution and a first low-resolution image is generated on a lower level, and a second low-resolution image is generated on a lower level. Registered images are read one-at-a-time, feature regions are set in the hierarchical images of the registered images, and corresponding regions are found in the reference image through hierarchical searching from the low-resolution image towards the high-resolution image. An evaluation is made as to whether to select the registered image that has been read out, based on a similarity between the low-resolution hierarchical image, for example, a feature region of the hierarchical image of the registered image, and the corresponding region of the hierarchical image of the reference image, to narrow down the registered images to be compared to the reference image. | 11-15-2012 |
20120294494 | METHOD AND APPARATUS FOR EYE-SCAN AUTHENTICATION USING A LIQUID LENS - A method and apparatus for providing eye-scan authentication using an adaptive liquid lens are disclosed. For example, in one embodiment, the method receives a request for eye-scan authentication from a mobile endpoint device of a user, wherein the request comprises a first retinal image of the user captured using an adaptive liquid lens of the mobile endpoint device. The method obtains a second retinal image of the user, wherein the second retinal image is a stored retinal image of the user. The method authenticates the first retinal image against the second retinal image. In another embodiment, the method captures a first retinal image of a user via a mobile endpoint device of the user, wherein the mobile endpoint device comprises an adaptive liquid lens. The method then sends a request for eye-scan authentication from the mobile endpoint device over a network, wherein the request comprises the first retinal image. | 11-22-2012 |
20120300990 | METHODS FOR PERFORMING BIOMETRIC RECOGNITION OF A HUMAN EYE AND CORROBORATION OF SAME - A method of biometric recognition is provided. Multiple images of the face or other non-iris image and iris of an individual are acquired. If the multiple images are determined to form an expected sequence of images, the face and iris images are associated together. A single camera preferably acquires both the iris and face images by changing at least one of the zoom, position, or dynamic range of the camera. The dynamic range can be adjusted by at least one of adjusting the gain settings of the camera, adjusting the exposure time, and/or adjusting the illuminator brightness. The expected sequence determination can be made by determining if the accumulated motion vectors of the multiple images is consistent with an expected set of motion vectors and/or ensuring that the iris remains in the field of view of all of the multiple images. | 11-29-2012 |
20120308089 | METHOD OF BIOMETRIC AUTHENTICATION BY USING PUPIL BORDER AND APPARATUS USING THE METHOD - A method of biometric authentication based on unique information obtained from a pupil. The method includes: acquiring an image of a pupil and an iris; extracting a pupil region from the image; and generating unique biometric information by extracting a specific pattern of the pupil from the pupil region. The method performs biometric authentication by combining unique information obtained from a pupil region with unique information obtained from an iris region. | 12-06-2012 |
20120314913 | SYSTEM AND METHOD FOR OCULAR RECOGNITION - A system and method include decomposing via a computer an ocular region into several filtered images of different orientation and scale, using the computer to combine the decomposed images for each scale, using a computer executed classifier for each scale, matching across different quality images, and using a computer, constructing a matching score by combining the scale scores using adaptively weighted sum for each scale. | 12-13-2012 |
20120321142 | QUALITY DRIVEN IMAGE PROCESSING FOR OCULAR RECOGNITION SYSTEM - A method and system include receiving an image to process for an image recognition system, determining a quality of the received image, and creating a point distribution model for an active shape model, wherein the point distribution model has a number of points defining an outline of the image, the number of points being determined as a function of the quality of the image. A further method includes selecting a target local appearance model for fitting a point as a function of the determined quality of the received image to determine the location of the point. Yet a further method includes matching the probe image to a plurality of target images using a quality driven cascade classifier. | 12-20-2012 |
20120328166 | SYSTEM AND METHOD FOR GENERATING AND EMPLOYING SHORT LENGTH IRIS CODES - A system and method for generating compact iris representations based on a database of iris images includes providing full-length iris codes for iris images in a database, where the full-length iris code includes a plurality of portions corresponding to circumferential rings in an associated iris image. Genuine and imposter score distributions are computed for the full-length iris codes, and code portions are identified that have a contribution that provides separation between imposter and genuine distributions relative to a threshold. A correlation between remaining code portions is measured. A subset of code portions having low correlations within the subset is generated to produce a compact iris representation. | 12-27-2012 |
20130011023 | REFLEXIVE IRIS TEMPLATE - A system, method and program product for providing a reflexive data collection system. A system is provided that includes: a system for defining a set of environmental conditions; a device for automatically implementing the set of environmental conditions; a system for collecting biometric data under the set of environmental conditions; and a system for encoding the biometric data and the set of environmental conditions into a reflexive template. | 01-10-2013 |
20130016882 | Liveness DetectionAANM Cavallini; AlessioAACI NiceAACO FRAAGP Cavallini; Alessio Nice FR - The present disclosure concerns a method of verifying the presence of a living face in front of a camera ( | 01-17-2013 |
20130083976 | IMAGE-BASED HEAD POSITION TRACKING METHOD AND SYSTEM - Systems and methods for tracking a head position of a user include obtaining digital images of the user's head, processing the images to locate anatomical structures beneath the visible surface, and using those determined locations as inputs to a computing device. In an embodiment, images of a user's face are processed to identify the irises of the eyes, identify pixels along a boundary between each iris and the surrounding sclera, determine an ellipse defined by the identified iris-sclera boundary pixels, determine a distance-to-pixel ratio based on a pixel length of a long axis of such an ellipse compared to a known or presumed diameter of the iris, locating the iris in a three-axis coordinate system, determining an optical axis vector of the eye in the three-axis coordinate system, and calculating a center of the eyeball based on the optical axis vector and a known or presumed eyeball radius. | 04-04-2013 |
20130089240 | HANDHELD IRIS IMAGER - A portable, hand held iris imaging system captures iris images that may be used in biometric identification. The system is constructed using two separate but coupled subsystems. A first subsystem augments the underlying functionality of the second subsystem. The first subsystem uses an iris camera to capture iris images. A tunable optical element positioned between the subject and the iris camera focuses light reflected from the subject's eye onto the iris camera. A controller coordinates the capture of the iris image with the second subsystem. The second subsystem captures face images of the subject, which are provided to a display through a computer. The user interface is overlaid over the face images to provide visual feedback regarding how the system can be properly repositioned to capture iris images. The system has a portable form factor so that it may be easily operated. | 04-11-2013 |
20130089241 | SECURITY IMPROVEMENTS FOR IRIS RECOGNITION SYSTEMS - A method of verifying the authenticity of an eye provided for identification purposes in an iris recognition identification system is described. The method comprises: illuminating the eye using an illumination source to generate a specular reflection in a pupil and/or iris region of the eye, the specular reflection forming as a result of light emitted from the illumination source being reflected from the eye; capturing an image of the eye including the specular reflection; determining the position of the specular reflection formed in the pupil and/or iris region, from the captured image; and verifying the authenticity of the eye by comparing the determined position with an expected position for an authentic eye. | 04-11-2013 |
20130089242 | METHOD AND APPARATUS FOR EYE-SCAN AUTHENTICATION USING A LIQUID LENS - A method and apparatus for providing authentication using an adaptive liquid lens are disclosed. For example, in one embodiment, the method receives a request for authentication from a mobile endpoint device of a user, wherein the request comprises a first retinal image of the user captured using an adaptive liquid lens of the mobile endpoint device. The method obtains a second retinal image of the user, wherein the second retinal image is a stored retinal image of the user. The method authenticates the first retinal image against the second retinal image. In another embodiment, the method captures a first retinal image of a user via a mobile endpoint device of the user, wherein the mobile endpoint device comprises an adaptive liquid lens. The method then sends a request for authentication from the mobile endpoint device over a network, wherein the request comprises the first retinal image. | 04-11-2013 |
20130182916 | CUSTOM ELECTRONIC SYSTEM OF IRIS PATTERN MATCHING IN A MOBILE DEVICE - A method, apparatus, and system for a custom electronic hardware for iris pattern matching in a mobile device. In one embodiment, a method of a custom hardware solution that includes a change in the CPU clock frequency dependency by using programmable logic and a highly parallel array of high capacity flash memory is shown. | 07-18-2013 |
20130188843 | METHOD AND DEVICE FOR DETERMINING VARIOUS BIOMETRIC PARAMETERS OF AN EYE BY INTERFEROMETRY - Determination of biometric parameters of an eye, in which the optical axis of the biometric measurement system is aligned to the optical axis of an eye. The device includes an interferometry measuring arrangement having a measurement light source and a measurement sensor, a fixation light source for capturing the eye with the reflexes that arise, an image sensor, and lens for detecting volume scattered light and an analysis unit for determining the angular deviation of the optical axis of the eye from the optical axis of the biometric measurement system. The analysis unit compares determined angular deviation to a predefined tolerance and, laterally displaces fixation marks on the basis of the calculated angular deviation, or of initiating the biometric measurement. | 07-25-2013 |
20130236067 | Computationally Efficient Feature Extraction and Matching Iris Recognition - A method and system for uniquely identifying a subject based on an iris image. After obtaining the iris image, the method produces a filtered iris image by applying filters to the iris image to enhance discriminative features of the iris image. The method analyzes an intensity value for pixels in the filtered iris image to produce an iris code that uniquely identifies the subject. The method also creates a segmented iris image by detecting an inner and outer boundary for an iris region in the iris image, and remapping pixels in the iris region, represented in a Cartesian coordinate system, to pixels in the segmented iris image, represented in a log-polar coordinate system, by employing a logarithm representation process. The method also creates a one-dimensional iris string from the iris image by unfolding the iris region by employing a spiral sampling method to obtain sample pixels in the iris region, wherein the sample pixels are the one-dimensional iris string. | 09-12-2013 |
20130259322 | System And Method For Iris Image Analysis - An iris recognition system incorporating two-level iris image quality assessment method is presented. Images with very low image quality may be assigned quality zero and not be further processed. Images with sufficient quality may be qualitatively assessed and each quality metric score may be calibrated. The calibrated quality scores may be fused to generate one quality score. | 10-03-2013 |
20130294659 | METHODS FOR PERFORMING BIOMETRIC RECOGNITION OF A HUMAN EYE AND CORROBORATION OF SAME - A method of biometric recognition is provided. Multiple images of the face or other non-iris image and iris of an individual are acquired. If the multiple images are determined to form an expected sequence of images, the face and iris images are associated together. A single camera preferably acquires both the iris and face images by changing at least one of the zoom, position, or dynamic range of the camera. The dynamic range can be adjusted by at least one of adjusting the gain settings of the camera, adjusting the exposure time, and/or adjusting the illuminator brightness. The expected sequence determination can be made by determining if the accumulated motion vectors of the multiple images is consistent with an expected set of motion vectors and/or ensuring that the iris remains in the field of view of all of the multiple images. | 11-07-2013 |
20130336547 | PERSON IDENTIFICATION USING OCULAR BIOMETRICS WITH LIVENESS DETECTION - A method of assessing the identity of a person by one or more of: internal non-visible anatomical structure of an eye represented by the Oculomotor Plant Characteristics (OPC), brain performance represented by the Complex Eye Movement patterns (CEM), iris patterns, and periocular information. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, making an assessment of whether the subject is alive based on the measured eye movement, and assessing a person's identity based at least in part on the assessment of whether the subject is alive. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, assessing characteristics from the measured eye movement, and assessing a state of the subject based on the assessed characteristics. | 12-19-2013 |
20140037152 | IDENTITY RECOGNITION BASED ON MULTIPLE FEATURE FUSION FOR AN EYE IMAGE - A method for identity recognition based on multiple feature fusion for an eye image, which comprises steps of registering and recognizing, wherein the step of registering comprises: obtaining a normalized eye image and a normalized iris image, for a given registered eye image, and extracting a multimode feature of an eye image of a user to be registered, and storing the obtained multimode feature of the eye image as registration information in a registration database; and the step of recognizing comprises:obtaining a normalized eye image and a normalized iris image, for a given recognized eye image,extracting a multimode feature of an eye image of a user to be recognized,comparing the extracted multimode feature with the multimode feature stored in the database to obtain a matching score, and obtaining a fusion score by fusing matching scores at score level, and performing the multiple feature fusion identity recognition on the eye image by a classifier. The present invention recognizes identity by fusing multiple features of eye regions on a human face, and thus achieves high recognition accuracy and is suitable for applications of high security level. | 02-06-2014 |
20140037153 | BIOMETRIC AUTHENTICATION APPARATUS, BIOMETRIC AUTHENTICATION METHOD AND RECORDING MEDIUM - A plurality of pieces of information related to the iris pattern of an eye can be checked against each other in a short time. Characteristic curves (S( | 02-06-2014 |
20140044318 | Spoof Detection for Biometric Authentication - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining images of a subject including a view of an eye. The methods may further include determining a behavioral metric based on detected movement of the eye as the eye appears in a plurality of the images, determining a spatial metric based on a distance from a sensor to a landmark that appears in a plurality of the images each having a different respective focus distance, and determining a reflectance metric based on detected changes in surface glare or specular reflection patterns on a surface of the eye. The methods may further include determining a score based on the behavioral, spatial, and reflectance metrics and rejecting or accepting the one or more images based on the score. | 02-13-2014 |
20140044319 | Quality Metrics For Biometric Authentication - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining a first image of an eye including a view of the white of the eye. The method may further include determining metrics for the first image, including a first metric for reflecting an extent of one or more connected structures in the first image that represents a morphology of eye vasculature and a second metric for comparing the extent of eye vasculature detected across different color components in the first image. A quality score may be determined based on the metrics for the first image. The first image may be rejected or accepted based on the quality score. | 02-13-2014 |
20140044320 | TEXTURE FEATURES FOR BIOMETRIC AUTHENTICATION - In general, one aspect of the subject matter described can be embodied in methods that include obtaining one or more image regions from a first image of an eye. Each of the image regions may include a view of a respective portion of the white of the eye. The method may further include applying several distinct filters to each of the image regions to generate a plurality of respective descriptors for the region. The several distinct filters may include convolutional filters that are each configured to describe one or more aspects of an eye vasculature and in combination describe a visible eye vasculature in a feature space. A match score may be determined based on the generated descriptors and based on one or more descriptors associated with a second image of eye vasculature. | 02-13-2014 |
20140044321 | Spoof Detection for Biometric Authentication - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining images of a subject including a view of an eye. The methods may further include determining a behavioral metric based on detected movement of the eye as the eye appears in a plurality of the images, determining a spatial metric based on a distance from a sensor to a landmark that appears in a plurality of the images each having a different respective focus distance, and determining a reflectance metric based on detected changes in surface glare or specular reflection patterns on a surface of the eye. The methods may further include determining a score based on the behavioral, spatial, and reflectance metrics and rejecting or accepting the one or more images based on the score. | 02-13-2014 |
20140050370 | OCULAR BIOMETRIC AUTHENTICATION WITH SYSTEM VERIFICATION - A biometric authentication system includes an image database and a user database containing user profiles. Each user profile is associated with a selected image in the image database as an image key and with an ocular biometric data record obtained from an eye of the associated user. A user input terminal receives asserted user credentials, an eye scanning module obtains ocular biometric data, and a position detection module detects an eye position or eyelid position. An access control module communicates with the user database for obtaining a user profile associated with the asserted user credentials, communicates with a display device for displaying the image key associated with the obtained user profile, communicates with the position detection module for verifying the biometric authentication system by detecting whether the user is viewing the image key, and communicates with the eye scanning module for obtaining ocular biometric data and authenticating the user. | 02-20-2014 |
20140050371 | OCULAR BIOMETRIC AUTHENTICATION WITH SYSTEM VERIFICATION - A biometric user authentication method and computer program product includes receiving asserted user credentials from a user into a biometric authentication system, and obtaining a digitally-stored image key and ocular biometric data both associated with the asserted user credentials from memory within the biometric authentication system. The biometric authentication system is verified by simultaneously displaying the image key and at least one image other than the image key to the user and detecting that the user has selected the image key. The user is authenticated by scanning an eye of the user to obtain ocular biometric data and matching the scanned ocular biometric data to the digitally stored ocular biometric data. If the biometric system is verified and the user is authenticated, then the user is provided access to a protected area. | 02-20-2014 |
20140072183 | METHODS FOR PERFORMING BIOMETRIC RECOGNITION OF A HUMAN EYE AND CORROBORATION OF SAME - A method of biometric recognition is provided. Multiple images of the face or other non-iris image and iris of an individual are acquired. If the multiple images are determined to form an expected sequence of images, the face and iris images are associated together. A single camera preferably acquires both the iris and face images by changing at least one of the zoom, position, or dynamic range of the camera. The dynamic range can be adjusted by at least one of adjusting the gain settings of the camera, adjusting the exposure time, and/or adjusting the illuminator brightness. The expected sequence determination can be made by determining if the accumulated motion vectors of the multiple images is consistent with an expected set of motion vectors and/or ensuring that the iris remains in the field of view of all of the multiple images. | 03-13-2014 |
20140079296 | BIOMETRIC IDENTIFICATION VIA RETINA SCANNING - Various systems, processes, and techniques may be used to achieve biometric identification via retina scanning. In some implementations, systems, processes, and techniques may include the ability to scan a retina using a scanning laser ophthalmoscope to acquire at least one retina image, analyze the image to identify retina blood vessels, and identify a plurality of branch points of the retina blood vessels. The systems processes, and techniques may also include the ability to calculate a data set that represents the identified branch points, compare the calculated data set representing the branch points against at least one pre-stored data set representing retina branch points, and determine whether the calculated data set corresponds to the pre-stored data set. | 03-20-2014 |
20140093140 | LIVENESS DETECTION - An image of a portion of a person's body is accessed, the image having been captured by an image capture device. Using the image, measurements of characteristics in the image are obtained, the characteristics in the image having been selected based on a statistical analysis of characteristics (i) in a plurality of first images taken directly of a person and (ii) in a plurality of second images taken of an image of a person. Based on a liveness function, a score for the image is determined using the obtained measurements of the characteristics in the image. A threshold value is accessed. The score of the image is compared to the accessed threshold value. Based on the comparison of the score of the image to the accessed threshold value, the image is determined to be have been taken by the image capture device imaging the portion of the person's body. | 04-03-2014 |
20140112550 | METHOD AND SYSTEM FOR BIOMETRIC RECOGNITION - High quality, sharply focused images of an iris and the face of a person are acquired in rapid succession in either sequence by a single sensor and one or more illuminators, preferably within less than one second of each other, by changing the sensor settings or illumination levels between each acquisition. | 04-24-2014 |
20140133712 | Object Information Derived From Object Images - Search terms are derived automatically from images captured by a camera equipped cell phone, PDA, or other image capturing device, submitted to a search engine to obtain information of interest, and at least a portion of the resulting information is transmitted back locally to, or nearby, the device that captured the image. | 05-15-2014 |
20140147019 | RED-EYE DETECTION DEVICE - An ECU connected to an image sensor includes a face position and face feature point detection unit that detects the feature points of the face of the driver, a red-eye detection unit that detects the red eye with template matching using a red-eye template, an eye opening degree calculation unit that calculates the degree of eye opening, a relative eye opening degree calculation unit that calculates the relative degree of eye opening which is 0% in an eye-closed state and is 100% in an eye-open state, and a red-eye template update unit that generates a red-eye template on the basis of the relative degree of eye opening and updates a red-eye template used for the next template matching with the generated red-eye template. | 05-29-2014 |
20140161325 | IRIS BIOMETRIC MATCHING SYSTEM - A method and apparatus for biometric iris matching comprising pre-processing an input image capturing one or more eyes to produce one or more rectified iris images, coding the one or more rectified iris images into one or more multiresolution iris codes and matching the one or more multiresolution iris code with a set of stored multiresolution iris codes to determine whether a match exists. | 06-12-2014 |
20140169642 | SYSTEM AND METHOD FOR PASSIVE LIVE PERSON VERIFICATION USING REAL-TIME EYE REFLECTION - Systems, methods, and apparatus for detecting a live human face in an image are disclosed. The methods, systems, and apparatus are capable of capturing an image of a verification pattern that has been reflected from a defined region of interest of a user's eye. The captured image can be compared to the emitted verification pattern to determine whether the captured reflection matches the emitted pattern and is within the region of interest to verify a live user of an electronic device. | 06-19-2014 |
20140193045 | CONTACT LENSES - Apparatus, systems and methods for facilitating iris-scanning contact lenses and/or biometric identification employing iris scanning contact lenses are provided. In one implementation, the contact lens can include: a transparent substrate formed to cover at least a portion of an iris of an eye; and a circuit. The circuit can include: one or more light sensors disposed on or within the transparent substrate and that detects light filtered through the iris and incident on the one or more light sensors; readout circuitry, operably coupled to the one or more light sensors, that outputs information indicative of the light filtered through the iris and incident on the one or more light sensors; and a power component that supplies power to the readout circuitry. In various implementations, the contact lens can be employed in systems and/or methods associated with authentication and identification. | 07-10-2014 |
20140193046 | BIOMETRIC AUTHENTICATION USING THE EYE - An apparatus and method for authenticating a subject using the eye as an identifying biometric, in particular the shape of the cornea. An image projection device generates and projects an image of a pattern, of plural discrete points, onto at least a part of the cornea of the eye. An image capture device captures an image of the pattern of plural discrete points, after reflection from the cornea of the eye. A computer processor extracts data defining the locations of the discrete points in the captured image. The method steps are capturing an image of a pattern, made up of plural discrete points, after reflection from of the cornea of a subject; comparing the locations of the discrete points in the captured image against the locations of discrete points in a pattern of a reference image; and, authenticating the identity of the subject depending on the similarity of the comparison. | 07-10-2014 |
20140198959 | SPOOF DETECTION FOR BIOMETRIC AUTHENTICATION - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining images of a subject including a view of an eye. The methods may further include determining a behavioral metric based on detected movement of the eye as the eye appears in a plurality of the images, determining a spatial metric based on a distance from a sensor to a landmark that appears in a plurality of the images each having a different respective focus distance, and determining a reflectance metric based on detected changes in surface glare or specular reflection patterns on a surface of the eye. The methods may further include determining a score based on the behavioral, spatial, and reflectance metrics and rejecting or accepting the one or more images based on the score | 07-17-2014 |
20140205156 | Iris Data Extraction - A process for extracting iris data for biometric identification includes a thresholding method where the thresholds are selected according to a nonparametric approach that considers the grey scale and does not require classifying pixels as edge or non-edge pixels. An eye image is first acquired, where the eye image has component images including an iris image with an inner boundary and an outer boundary. The eye image has a distribution of grey levels. Component images, such as an iris image or a pupil image, from the eye image are segmented according to the distribution of grey levels. The inner boundary and outer boundary of the iris image are determined from the component images. The iris image within the inner boundary and outer boundary is processed for biometric identification. The component images may be segmented by creating an eye histogram of pixel intensities from the distribution of grey levels. | 07-24-2014 |
20140219516 | SYSTEM AND METHOD FOR IRIS DETECTION IN DIGITAL IMAGES - A system and a method for iris detection in a face region of a digital image are disclosed. In one embodiment, iris is detected in the face region of the digital image using eye features, such as a shape of the iris and/or luminance values of a sclera region. | 08-07-2014 |
20140254889 | METHOD AND APPARATUS FOR EYE-SCAN AUTHENTICATION USING A LIQUID LENS - A method and apparatus for providing authentication using an adaptive liquid lens are disclosed. For example, in one embodiment, the method receives a request for authentication from a mobile endpoint device of a user, wherein the request comprises a first retinal image of the user captured using an adaptive liquid lens of the mobile endpoint device. The method obtains a second retinal image of the user, wherein the second retinal image is a stored retinal image of the user. The method authenticates the first retinal image against the second retinal image. In another embodiment, the method captures a first retinal image of a user via a mobile endpoint device of the user, wherein the mobile endpoint device comprises an adaptive liquid lens. The method then sends a request for authentication from the mobile endpoint device over a network, wherein the request comprises the first retinal image. | 09-11-2014 |
20140270405 | TEXTURE FEATURES FOR BIOMETRIC AUTHENTICATION - In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining one or more image regions from a first image of an eye. Each of the image regions may include a view of a respective portion of the white of the eye. The method may further include applying several distinct filters to each of the image regions to generate a plurality of respective descriptors for the region. The several distinct filters may include convolutional filters that are each configured to describe one or more aspects of an eye vasculature and in combination describe a visible eye vasculature in a feature space. A match score may be determined based on the generated descriptors and based on one or more descriptors associated with a second image of eye vasculature. | 09-18-2014 |
20140294252 | QUALITY METRICS FOR BIOMETRIC AUTHENTICATION - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining first image of an eye including a view of the white of the eye. The method may further include determining metrics for the first image, including a first metric for reflecting an extent of one or more connected structures in the first image that represents a morphology of eye vasculature and a second metric for comparing the extent of eye vasculature detected across different color components in the first image. A quality score may be determined based on the metrics for the first image. The first image may be rejected or accepted based on the quality score. | 10-02-2014 |
20140294253 | IDENTIFICATION BY IRIS RECOGNITION - The invention relates to a method for identification on the basis of biometric data of an iris of an eye to be identified, including the steps of: encoding an image of the iris to be identified and a second iris image so as to obtain binary codes that are representative of the images to be compared; determining a binary similarity code from the binary code of the image of the iris to be identified and the second binary code of the second iris image; determining a confidence score on the basis of the local densities of similarities between the two compared iris images, as well as on the basis of the binary similarity code, the local similarity densities being in turn determined on the basis of the binary similarity code; and deciding, depending on the value of the confidence score, whether or not the two iris images are from the same iris. The invention also relates to a system suitable for implementing the identification method. | 10-02-2014 |
20140301611 | METHOD FOR COMPARING IRIS IMAGES BY THE INTELLIGENT SELECTION OF TEXTURED AREAS - A method for comparing at least two iris images comprises determining M measurements each, of quality level associated with M regions each making up the first and second image. Said measurements are centered on M measurement points, the M measurements of the second image corresponding to the M measurements of the first image by the fact that the M measurement points of the second image correspond to the M measurement points of the first image. The method comprises merging the quality measurements, being obtained by the combination of two corresponding measurements belonging to the two images. The method also comprises selecting N regions exhibiting the N highest quality levels. The method also comprises encoding the two images by using the N selected regions to obtain a binary code for each image. Furthermore, the method comprises comparing the two binary codes to quantify the level of similarity between the two images. | 10-09-2014 |
20140321719 | AUTHENTICATION SYSTEMS, OPERATIONS, PROCESSING, AND INTERACTIONS - Systems and methods for biometrically identifying an individual for purchasing a product and/or service without a need for the individual to input authentication data into a system/device are described. Data representative of a scanned iris of a customer desiring to make a purchase may be made. The customer may be identified based upon the scanned iris. A determination may be made as to whether the identified customer has a plurality of accounts at a financial entity. Information of a selected account to make the purchase may be received. Sufficient funds in the selected account to make the purchase may be determined. If insufficient, a different account may be identified to make the purchase. Sufficient funds in the different account may be determined and funds in the different account may be decreased by the associated payment amount. | 10-30-2014 |
20140334694 | METHOD FOR DETERMINING EYE LOCATION ON A FRONTAL FACE DIGITAL IMAGE TO VALIDATE THE FRONTAL FACE AND DETERMINE POINTS OF REFERENCE - A method is described for determining eye location on a frontal face digital image in order to validate the frontal face as such and determine points of reference. The method consists of the following steps: obtain a frontal face digital image that is W pixels wide and H pixels high in grayscale, where the top left vertex of the digital image is considered to be the reference source; detect each eye, starting from a search subimage of the frontal face digital image, delivering approximate coordinates if both eyes have been detected, or an arbitrary predetermined value to indicate no eye detection; locate the iris of each eye, if both eyes have been detected, starting from the approximate coordinates, validating the frontal face digital image by delivering eye positions; or, validate the frontal face digital image if one or both eyes have not been detected by submitting a search subimage defined by an area resulting from centering a square of area L in the original image, where L=0.8×W, delivering coordinates for the eyes. | 11-13-2014 |
20140341441 | WEARABLE DEVICE USER AUTHENTICATION - In embodiments, a wearable device includes an imager that captures eye feature images of one or both eyes of a user of the wearable device, such as while the user is wearing the wearable device. The user can then be authenticated based on a comparison of the eye feature images to a biometric template of the user. The eye feature images may include iris images, retina images, and/or eye vein images of the eyes of the user. The user can be authenticated based on each of the iris images, the retina images, and the eye vein images, both individually and in combination. The imager can also be periodically initiated, to capture the eye feature images to confirm user presence and maintain operability of the wearable device. | 11-20-2014 |
20140355841 | FRONTAL VIEW RECONSTRUCTION FOR IRIS RECOGNITION - Iris recognition can be accomplished for a wide variety of eye images by correcting input images with an off-angle gaze. A variety of techniques, from limbus modeling, corneal refraction modeling, optical flows, and genetic algorithms can be used. A variety of techniques, including aspherical eye modeling, corneal refraction modeling, ray tracing, and the like can be employed. Precomputed transforms can enhance performance for use in commercial applications. With application of the technologies, images with significantly unfavorable gaze angles can be successfully recognized. | 12-04-2014 |
20140355842 | Contact Lenses - Apparatus, systems and methods for facilitating iris-scanning contact lenses and/or biometric identification employing iris scanning contact lenses are provided. In one implementation, the contact lens can include: a transparent substrate formed to cover at least a portion of an iris of an eye; and a circuit. The circuit can include: one or more light sensors disposed on or within the transparent substrate and that detects light filtered through the iris and incident on the one or more light sensors; readout circuitry, operably coupled to the one or more light sensors, that outputs information indicative of the light filtered through the iris and incident on the one or more light sensors; and a power component that supplies power to the readout circuitry. In various implementations, the contact lens can be employed in systems and/or methods associated with authentication and identification. | 12-04-2014 |
20140363058 | Systems And Methods For Uniquely Identifying An Individual - A system and method are provided for uniquely identifying an individual. An authentication device captures a biometric scan for the purpose of verifying the identity of an individual, and then, an authentication server determines whether the captured biometric image matches a master image. Some embodiments involve the execution of a digital subtraction process, more specifically, normalizing and aligning the biometric image in determining whether or not there is a match. After determining there is a match between the biometric scan and the master image, a user is allowed access or a transaction is allowed to occur. | 12-11-2014 |
20150016692 | METHODS FOR PERFORMING BIOMETRIC RECOGNITION OF A HUMAN EYE AND CORROBORATION OF SAME - A method of biometric recognition is provided. Multiple images of the face or other non-iris image and iris of an individual are acquired. If the multiple images are determined to form an expected sequence of images, the face and iris images are associated together. A single camera preferably acquires both the iris and face images by changing at least one of the zoom, position, or dynamic range of the camera. The dynamic range can be adjusted by at least one of adjusting the gain settings of the camera, adjusting the exposure time, and/or adjusting the illuminator brightness. The expected sequence determination can be made by determining if the accumulated motion vectors of the multiple images is consistent with an expected set of motion vectors and/or ensuring that the iris remains in the field of view of all of the multiple images. | 01-15-2015 |
20150071503 | APPARATUSES AND METHODS FOR IRIS BASED BIOMETRIC RECOGNITION - The invention provides a method for iris based biometric recognition. The method includes receiving an image from an image sensor and determining whether the received image includes an iris. The steps of receiving and determining are repeated until the received image includes an iris. Responsive to determining that a received image includes an iris, iris information corresponding to such received image is compared with stored iris information corresponding to at least one iris and a match decision or a non-match decision is rendered based on an output of the comparison. The invention additionally provides a system and computer program product configured for iris based biometric recognition. | 03-12-2015 |
20150078629 | TEMPLATE UPDATE FOR BIOMETRIC AUTHENTICATION - An enrollment template can be a collection of interest points such as vascular points (VPD) and corresponding features such as Enhanced Multi-Radii Local Binary Patterns (EMR-LBP), Pattern Histograms of Enhanced Multi-Radii Local Binary Patterns (PH-EMR-LBP), Pattern histograms of Enhanced Multi-Radii Center-Symmetric Local Binary Patterns (PH-EMR-CS-LBP), and Enhanced Multi-Radii Center-Symmetric Local Binary Patterns (EMR-CS-LBP). In some implementations, an enrollment template can be created only if the acquired image exceeds a certain threshold based on ratio of VPD points to that of size of segmented scleral region. More than one enrollments are possible for a single user. Enrollment templates can be updated to accommodate behavioral and/or environmental variations affecting the acquired scans. Updating the enrollment templates using verification can be based on quality of a candidate verification template, match score, and/or other image and exposure similarity measures. | 03-19-2015 |
20150078630 | BIOMETRIC TEMPLATE SECURITY AND KEY GENERATION - Methods and systems for securing biometric templates and generating secret keys are provided. One or more images are received. Interest points are identified based on the received images, and a plurality of obfuscating data points are generated based on the interest points. An obfuscated template based on the interest points and the obfuscating data points is created and stored. A secret key can be encoded using a subset of at least one of the obfuscating data points and the interest points in the template. | 03-19-2015 |
20150098629 | IRIS BIOMETRIC RECOGNITION MODULE AND ACCESS CONTROL ASSEMBLY - An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary, and whether the person is located near the iris image capture device or at a distance from the iris image capture device. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity verification purposes. The iris biometric recognition module can be incorporated into, for example, a door lock assembly and other access controlled devices, mechanisms, and systems. | 04-09-2015 |
20150098630 | IRIS BIOMETRIC RECOGNITION MODULE AND ACCESS CONTROL ASSEMBLY - An iris biometric recognition module includes technology for capturing images of an iris of an eye of a person, whether the person is moving or stationary, and whether the person is located near the iris image capture device or at a distance from the iris image capture device. The iris biometric recognition technology can perform an iris matching procedure for, e.g., authentication or identity verification purposes. The iris biometric recognition module can be incorporated into, for example, a door lock assembly and other access controlled devices, mechanisms, and systems. | 04-09-2015 |
20150104081 | METHODS AND SYSTEMS FOR DETERMINING USER LIVENESS - A method determining user liveness is provided that includes calculating, by a device, eye openness measures for a frame included in captured authentication data, and storing the eye openness measures in a buffer of the device. Moreover the method includes calculating confidence scores from the eye openness measures stored in the buffer, and detecting an eye blink when a maximum confidence score is greater than a threshold score. | 04-16-2015 |
20150139509 | HEAD-MOUNTED DISPLAY APPARATUS AND LOGIN METHOD THEREOF - Head-mounted display apparatus and login method thereof are provided. The head-mounted display apparatus includes an image capturing device, a pico-projector, an application specific integrated circuit (ASIC), and an application processor. The image capturing device captures a first eye image and a plurality of second eye images corresponding to a locus image. The ASIC determines whether the first eye image passes an iris recognition test. The application processor controls a pico-projector to project the locus image when the first eye image passes an iris recognition test, and generates a pupil locus based on the plurality of second eye images. The application processor determines whether the pupil locus is compliant with the locus image, and allows a login request if the pupil locus is compliant with the locus image. | 05-21-2015 |
20150293588 | EYE GAZE TRACKING METHOD AND APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM - A method and an apparatus of tracking an eye gaze to determine where a gaze point of a user is located on a display unit of a device, based on a facial pose and a position of an iris center, are provided. The method includes detecting a facial feature in a captured initial image, three-dimensionally modeling the detected facial feature, tracking the three-dimensionally modeled facial feature in consecutively captured images, detecting an iris center in the consecutively captured images, acquiring an eye gaze vector based on the tracked three-dimensionally modeled facial feature and the detected iris center, and acquiring a gaze point on a display unit based on the eye gaze vector. | 10-15-2015 |
20150294150 | EYE COLOR PATERNITY TEST - A method, system, and apparatus for determining paternity based on eye color. Determining paternity may include accessing a color digital image of at least one of a male parental candidate, a female parental candidate, and a child candidate. An eye color of each of the male parental candidate, the female parental candidate, and the child candidate may be determined, wherein the eye color of at least one of the male parental candidate, the female parental candidate, and the child candidate is determined based on the accessed color digital image. A paternity likelihood of the male parental candidate with regard to the child candidate may be determined based on the determined eye color of the male parental candidate, the female parental candidate, and the child candidate. | 10-15-2015 |
20150294464 | METHOD AND APPARATUS FOR IDENTIFYING LIVING EYE - The present invention relates to a method and apparatus for identifying a living eye, in which IR LED lighting and lighting for varying the ambient illumination are installed on the front surface or one side of an iris recognition camera so as to determine whether an iris of an eye is an iris of a living eye when capturing an iris image by the iris recognition camera, using one or more criteria of whether the ratio of the sizes of the iris and pupil changes by the variation of the ambient illumination, whether the number or location of the IR LEDs focused on the iris and/or the pupil changes, whether the region of the iris image changes by eye blinking, and whether the direction of the gaze changes. | 10-15-2015 |
20150302251 | METHODS, SYSTEMS, AND MEDIA FOR DETECTING GAZE LOCKING - Methods, systems, and media for detecting gaze locking are provided. In some embodiments, methods for gaze locking are provided, the methods comprising: receiving an input image including a face; locating a pair of eyes in the face of the input image; generating a coordinate frame based on the pair of eyes; identifying an eye region in the coordinate frame; generating, using a hardware processor, a feature vector based on values of pixels in the eye region; and determining whether the face is gaze locking based on the feature vector. | 10-22-2015 |
20150302252 | AUTHENTICATION METHOD USING MULTI-FACTOR EYE GAZE - A method for rapid and robust one-step multi-factor authentication of a user is presented, employing multi-factor eye gaze. The mobile environment presents challenges that render the conventional password model obsolete. The primary goal is to offer an authentication method that competitively replaces the password, while offering improved security and usability. This method and apparatus combine the smooth operation of biometric authentication with the protection of knowledge based authentication to robustly authenticate a user and secure information on a mobile device in a manner that is easily used and requires no external hardware. This method demonstrates a solution comprised of a pupil segmentation algorithm, gaze estimation, and an innovative application that allows a user to authenticate oneself using gaze as the interaction medium and biometrics to authenticate an individual's facial structure. | 10-22-2015 |
20150347843 | IRIS RECOGNITION TERMINAL AND METHOD - A terminal for minimizing a gazing phenomenon in an iris recognition terminal is disclosed. The iris recognition terminal may minimize the gazing phenomenon by including an eyeball reflection unit. Also, it is also possible to minimize the gazing phenomenon by displaying a positioner on a display unit. A person who wears glasses may experience specular light on the iris recognition terminal but the terminal of the present disclosure avoids the specular light. The terminal determines the location of the specular light and guides an avoidance location to a user based on the determination, so quick and accurate iris recognition is possible. | 12-03-2015 |
20150356364 | DEVICE FOR CAPTURING IMAGE OF IRIS AND USER RECOGNITION DEVICE APPLYING SAME IN ORDER TO CONTROL ACCESS - Disclosed are a device for capturing an image of the iris and a user recognition device applying same in order to control access. According to one embodiment of the present invention, the device for capturing an image of the iris includes: a first light source corresponding to the left eye; a second light source corresponding to the right eye; a first duct disposed adjacent to the first light source for restricting the illumination angle of the first light source; a second duct disposed adjacent to the second light source for restricting the illumination angle of the second light source; a half mirror transmitting the light emitted from the first and second light sources in order to direct the light onto the left and right eyes, wherein the half mirror reflects the images of the left and right eyes; and left/right cameras respectively photographing the left and right eyes in order to recognize the irises. | 12-10-2015 |
20150379325 | IMAGE SENSOR WITH INTEGRATED REGION OF INTEREST CALCULATION FOR IRIS CAPTURE, AUTOFOCUS, AND GAIN CONTROL - An integrated circuit has an image sensor to receive at least one image comprising a plurality of pixels from a camera comprising a lens, a buffer communicatively connected to the image sensor for storing values associated with the plurality of pixels, and a comparator communicately connected to the buffer to locate and identify the iris of a subject, in which locating and identifying the iris of the subject is based on a location of each pixel in a brightest pixel set. A method for locating and identifying an iris in an image includes capturing at least one image of an illuminated subject, determining a brightness value for each of the plurality of pixels, determining a location corresponding to each pixel in a brightest pixel set, and identifying the iris in the at least one image based on the location of each pixel in the brightest pixel set. | 12-31-2015 |
20150379348 | ADAPTABLE EYE ARTIFACT IDENTIFICATION AND CORRECTION SYSTEM - An adaptable eye artifact identification and correction method is disclosed. Eye artifacts are identified and classified based on color, severity, shape, eye location, and cause. Based on this classification, an eye artifact correction algorithm is selected from a series of eye artifact correction techniques. For minor artifacts, simple color correction techniques are deployed to restore the iris color and to drive the pupil to once again appear black. For severe eye artifacts face detection and metadata analysis are utilized to search the user's image collection for recent images of the subject without the eye artifact condition. Once located, these images provide eye color and shape information for use to replace the pixels expressing the eye artifact condition. The non-artifact eye images are used to provide the appropriate eye color and shape to correct the eye artifact condition for more severe eye artifacts. | 12-31-2015 |
20160012275 | IRIS BIOMETRIC MATCHING SYSTEM | 01-14-2016 |
20160012291 | BIOMETRIC IDENTIFICATION VIA RETINA SCANNING WITH LIVENESS DETECTION | 01-14-2016 |
20160012292 | COLLECTING AND TARGETING MARKETING DATA AND INFORMATION BASED UPON IRIS IDENTIFICATION | 01-14-2016 |
20160019410 | PERSON IDENTIFICATION USING OCULAR BIOMETRICS WITH LIVENESS DETECTION - A method of assessing the identity of a person by one or more of: internal non-visible anatomical structure of an eye represented by the Oculomotor Plant Characteristics (OPC), brain performance represented by the Complex Eye Movement patterns (CEM), iris patterns, and periocular information. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, making an assessment of whether the subject is alive based on the measured eye movement, and assessing a person's identity based at least in part on the assessment of whether the subject is alive. In some embodiments, a method of making a biometric assessment includes measuring eye movement of a subject, assessing characteristics from the measured eye movement, and assessing a state of the subject based on the assessed characteristics. | 01-21-2016 |
20160019420 | MULTISPECTRAL EYE ANALYSIS FOR IDENTITY AUTHENTICATION - Certain aspects relate to systems and techniques for generating high resolution iris templates and for detecting spoofs, enabling more reliable and secure iris authentication. Pairs of RGB and NIR images can be captured by the iris authentication system for use in iris authentication, for example using an NIR LED flash and a four-channel image sensor. Multiple images of the user's iris can be captured by the system in a relatively short period of time and can be fused together to generate a high resolution iris image that can contain more detail of the iris structure and unique pattern than each individual images. The “liveness” of the iris, referring to whether the iris is a real human iris or an iris imitation, can be assessed via a liveness ratio based on comparison of known iris and sclera reflectance properties at various wavelengths to determined sensor responses at those same wavelengths. | 01-21-2016 |
20160019421 | MULTISPECTRAL EYE ANALYSIS FOR IDENTITY AUTHENTICATION - Certain aspects relate to systems and techniques for generating high resolution iris templates and for detecting spoofs, enabling more reliable and secure iris authentication. Pairs of RGB and NIR images can be captured by the iris authentication system for use in iris authentication, for example using an NIR LED flash and a four-channel image sensor. Multiple images of the user's iris can be captured by the system in a relatively short period of time and can be fused together to generate a high resolution iris image that can contain more detail of the iris structure and unique pattern than each individual images. The “liveness” of the iris, referring to whether the iris is a real human iris or an iris imitation, can be assessed via a liveness ratio based on comparison of known iris and sclera reflectance properties at various wavelengths to determined sensor responses at those same wavelengths. | 01-21-2016 |
20160019422 | Computationally Efficient Feature Extraction and Matching Iris Recognition - A method and system for uniquely identifying a subject based on an iris image. After obtaining the iris image, the method produces a filtered iris image by applying filters to the iris image to enhance discriminative features of the iris image. The method analyzes an intensity value for pixels in the filtered iris image to produce an iris code that uniquely identifies the subject. The method also creates a segmented iris image by detecting an inner and outer boundary for an iris region in the iris image, and remapping pixels in the iris region, represented in a Cartesian coordinate system, to pixels in the segmented iris image, represented in a log-polar coordinate system, by employing a logarithm representation process. The method also creates a one-dimensional iris string from the iris image by unfolding the iris region by employing a spiral sampling method to obtain sample pixels in the iris region, wherein the sample pixels are the one-dimensional iris string. | 01-21-2016 |
20160021294 | MULTIFOCAL IRIS RECOGNITION DEVICE - An exemplary iris-recognition method includes capturing a raw light field photograph of a face including an eye, locating the eye within the raw light field photograph, and rendering, from the raw light field photograph, an image focused on the eye. The image may include an eye portion including the eye. The method may further include extracting an iris template from the eye portion, determining a degree of match between the template and an authorized iris template, and performing an action in response to the degree of match. | 01-21-2016 |
20160026862 | EYE REFLECTED CONTENT FOR VERIFICATION OF USER LIVELINESS - Generally, this disclosure provides devices, systems and methods for improved verification of user liveliness based on detection and identification of a corneal image reflection from the user. The system may include a security image generation module to provide a security image for presentation to the user on a client system display element; a corneal reflection analysis module to estimate features of a corneal reflected image, the corneal reflected image extracted from an image of the user obtained by a camera of the client system; and the corneal reflection analysis module further configured to verify liveliness of the user based on a match between the corneal reflected image and the security image, the match based on the estimated features. | 01-28-2016 |
20160026864 | SYSTEMS AND METHODS FOR CAPTURING ARTIFACT FREE IMAGES - The present disclosure is directed towards methods and systems for capturing artifact-free biometric images of an eye. The eye may be in motion and in the presence of partially-reflective eyewear. The method may include acquiring, by a first sensor, a first image of an eye while the eye is illuminated by a first illuminator. The first image may include a region of interest. The first sensor may be disposed at a fixed displacement from the first illuminator and a second sensor. The second sensor may acquire, within a predetermined period of time from the acquisition of the first image, a second image of the eye. The second image may include the region of interest. An image processor may determine if at least one of the first and second images include artifacts arising from one or both of the first illuminator and eyewear, within the region of interest. | 01-28-2016 |
20160048670 | SYSTEMS AND METHODS TO GENERATE AUTHORIZATION DATA BASED ON BIOMETRIC DATA AND NON-BIOMETRIC DATA - A method of selectively authorizing access includes obtaining, at an authentication device, first information corresponding to first synthetic biometric data. The method also includes obtaining, at the authentication device, first common synthetic data and second biometric data. The method further includes generating, at the authentication device, second common synthetic data based on the first information and the second biometric data. The method also includes selectively authorizing, by the authentication device, access based on a comparison of the first common synthetic data and the second common synthetic data. | 02-18-2016 |
20160062456 | METHOD AND APPARATUS FOR LIVE USER RECOGNITION - Embodiments of the present invention relate to a method and apparatus for live user recognition. There is disclosed a method for live user recognition. The method comprises: obtaining an image containing a face; while recognizing the face based on the image, detecting whether gaze of the face moves into proximity of a random position on a display screen every time an object is displayed at the random position; and determining whether the image is obtained from the live user based on the detection. The corresponding apparatus is disclosed as well. | 03-03-2016 |
20160078293 | METHODS AND APPARATUS FOR DIRECTING THE GAZE OF A USER IN AN IRIS RECOGNITION SYSTEM - The present disclosure describes systems and methods for directing a gaze of a user to one of different locations or positions of an iris biometric acquisition system for accommodating different heights of individuals. A user attention device may be positioned behind a visibility limiting device, for use in guiding the gaze of the user and positioning an eye of the user with respect to the iris biometric acquisition system. The visibility limiting device may be configured to limit an angular field of view of the user attention device. A sensor may be positioned at, behind or adjacent to the visibility limiting device. The sensor may be configured to acquire imagery of an iris from the eye positioned using the user attention device and the visibility limiting device. | 03-17-2016 |
20160078294 | CROSS-SENSOR IRIS MATCHING - Methods, devices, and systems for cross-sensor iris matching are described herein. One method includes capturing a first image of an iris using a first sensor, capturing a second image of an iris using a second sensor, and determining whether the iris in the first image matches the iris in the second image based on characteristics of the first sensor and the second sensor and image quality of the first image and the second image. | 03-17-2016 |
20160086030 | FEATURE EXTRACTION AND MATCHING FOR BIOMETRIC AUTHENTICATION - In a feature extraction and pattern matching system, image sharpening can enable vascular point detection (VPD) for detecting points of interest from visible vasculature of the eye. Pattern Histograms of Extended Multi-Radii Local Binary Patterns and/or Pattern Histograms of Extended Multi-Radii Center Symmetric Local Binary Patterns can provide description of portions of images surrounding a point of interest, and enrollment and verification templates can be generated using points detected via VPD and the corresponding descriptors. Inlier point pairs can be selected from the enrollment and verification templates, and a first match score indicating similarity of the two templates can be computed based on the number of inlier point pairs and one or more parameters of a transform selected by the inlier detection. A second match score can be computed by applying the selected transform, and either or both scores can be used to authenticate the user. | 03-24-2016 |
20160088241 | METHOD FOR PERFORMING USER AUTHENTICATION AND ELECTRONIC DEVICE THEREOF - Disclosed are a method and an electronic device for performing user authentication, the method including detecting a subject, determining a light-emitting parameter of a light source when the subject is to be photographed, and acquiring an image of the subject based on the determined light-emitting parameter. | 03-24-2016 |
20160104043 | APPARATUS AND METHOD FOR RECOGNIZING IRIS - An apparatus for recognizing an iris includes: a camera configured to acquire eyeball image data; and a control module configured to estimate the iris based on pupil information extracted from the eyeball image data, acquire at least one candidate boundary line for confirming the iris based on the estimated iris, and select a final boundary line from the at least one candidate boundary line. The iris is recognizable according to the final boundary line. | 04-14-2016 |
20160110601 | USER TERMINAL APPARATUS AND IRIS RECOGNITION METHOD THEREOF - A user terminal apparatus and an iris recognition method thereof are provided. The user terminal apparatus includes an imaging unit configured to generate an image of a user, a display configured to display the generated image, and a controller configured to detect a user eye from the generated image, control the display to display a guide image in a position of the generated image in which the detected user eye is located, and perform iris recognition in response to a difference between a size of an iris included in the detected user eye and a size of the guide image being within a preset range. | 04-21-2016 |
20160110626 | DEVICE FOR DETECTING PUPIL TAKING ACCOUNT OF ILLUMINANCE AND METHOD THEREOF - The present disclosure relates to a device for detecting a pupil taking account of illuminance and a method thereof, and provides a device for detecting a pupil taking account of illuminance capable of improving detection accuracy of the pupil by detecting a driver's pupil from an image using an adaptive threshold based binarization technique based on a lookup table in which sizes of the pupil corresponding to illuminance are written, and a method thereof. | 04-21-2016 |
20160125221 | METHOD FOR RECOGNIZING IRIS AND ELECTRONIC DEVICE THEREOF - An electronic device, according to various embodiments of the present disclosure, may include: an image sensor that obtains the first image; an image processing unit that processes the obtained first image to thereby create the second image; an image quality inspecting unit that performs image quality inspection on the basis of the created second image; and an iris recognition unit that, if the image quality of the second image satisfies a predetermined condition, performs iris recognition on the basis of the obtained first image. | 05-05-2016 |
20160132726 | SYSTEM AND METHOD FOR ANALYSIS OF EYE MOVEMENTS USING TWO DIMENSIONAL IMAGES - A method and system for detecting patterns of eye movements in a series of captured images may include capturing a series of images of at least one eye of a viewer by a camera, where the series of images may comprise at least two images, calculating, by a processor, a vector of a movement of the at least one eye between the at least two images, where the vector may include a distance of the movement, a direction of the movement and a time between capturing of the images, comparing the vector to at least one characteristic of a plurality of known patterns of eye movements, and classifying the movement of the eye(s) as one of a plurality of known pattern of eye movements. | 05-12-2016 |
20160132735 | SPOOF DETECTION FOR BIOMETRIC AUTHENTICATION - This specification describes technologies relating to biometric authentication based on images of the eye. In general, one aspect of the subject matter described in this specification can be embodied in methods that include obtaining images of a subject including a view of an eye. The methods may further include determining a behavioral metric based on detected movement of the eye as the eye appears in a plurality of the images, determining a spatial metric based on a distance from a sensor to a landmark that appears in a plurality of the images each having a different respective focus distance, and determining a reflectance metric based on detected changes in surface glare or specular reflection patterns on a surface of the eye. The methods may further include determining a score based on the behavioral, spatial, and reflectance metrics and rejecting or accepting the one or more images based on the score | 05-12-2016 |
20160148047 | APPARATUS FOR RECOGNIZING IRIS AND OPERATING METHOD THEREOF - An apparatus for recognizing an iris and an operating method thereof are provided. The iris recognition apparatus recognizing an iris of an eye includes an image capturing unit to acquire an iris image of an eye, and a controller to assess the focus quality of an iris region in the iris image and then determine an iris recognition target image. | 05-26-2016 |
20160148051 | SYSTEM AND METHOD FOR IRIS DATA ACQUISITION FOR BIOMETRIC IDENTIFICATION - A system and related method for acquiring high quality images of the iris of an unconstrained subject comprising a camera; a controllable focusing component; a focus controller component that controls the lens to focus at successively different points within a focus range, such focus control performed without any input from measurement of whether the image is in focus or out of focus, be it based from measurements of the image or other distance metrics to the subject; and a sharpness detection component that rejects the most out-of-focus images based on measurement of focus on the image is disclosed. | 05-26-2016 |
20160171300 | AUTHENTICATION APPARATUS AND METHOD | 06-16-2016 |
20160171323 | APPARATUS FOR RECOGNIZING IRIS AND OPERATING METHOD THEREOF | 06-16-2016 |
20160171324 | METHODS AND SYSTEMS FOR DETERMINING USER LIVENESS | 06-16-2016 |
20160180169 | IRIS RECOGNITION DEVICE, IRIS RECOGNITION SYSTEM INCLUDING THE SAME AND METHOD OF OPERATING THE IRIS RECOGNITION SYSTEM | 06-23-2016 |
20160188962 | CALCULATION DEVICE AND CALCULATION METHOD - A calculation device includes a processor configured to identify a person in a plurality of images captured in time series respectively, obtain gaze information indicating a direction of a line of sight of the person, identify at least one of a time period in which the person directs the line of sight to a certain object and a number of times that the person directs the line of sight to the certain object, based on the gaze information and a position at which the certain object is placed, estimate a relationship of two or more persons who are identified in one image from among the plurality of images, based on a distance between the two or more persons, and calculate an index value indicating probability that the certain object is utilized, based on the relationship, and at least one of the time period and the number of times. | 06-30-2016 |
20160188975 | BIOMETRIC IDENTIFICATION VIA RETINA SCANNING - Various systems, processes, and techniques may be used to achieve biometric identification via retina scanning. In some implementations, systems, processes, and techniques may include the ability to scan a retina using a scanning laser ophthalmoscope to acquire at least one retina image, analyze the image to identify retina blood vessels, and identify a plurality of branch points of the retina blood vessels. The systems processes, and techniques may also include the ability to calculate a data set that represents the identified branch points, compare the calculated data set representing the branch points against at least one pre-stored data set representing retina branch points, and determine whether the calculated data set corresponds to the pre-stored data set. | 06-30-2016 |
20160196475 | Detecting Facial Liveliness | 07-07-2016 |
20170236304 | SYSTEM AND METHOD FOR DETECTING A GAZE OF A VIEWER | 08-17-2017 |
20180025206 | IRIS RECOGNITION VIA PLENOPTIC IMAGING | 01-25-2018 |
20180025207 | IRIS RECOGNITION VIA PLENOPTIC IMAGING | 01-25-2018 |
20180025226 | SMART EYEGLASSES WITH IRIS RECOGNITION DEVICE | 01-25-2018 |
20220139112 | IMAGE PROCESSING APPARATUS, METHOD, SYSTEM, AND COMPUTER READABLE MEDIUM - A controller controls the readout of an image from iris image pick-up devices for performing image pick-up of an iris of a subject. In the control of the readout of an image from the iris image pick-up devices, the controller sets a region of interest to be treated as a target of the image readout. The controller stores past information, and in the case of performing image processing on the same subject, the controller determines whether or not an eye region of the subject was successfully covered by the region of interest used in the past. In the case of determining that the eye region of the subject was not successfully covered, the controller corrects the readout of an image from the iris image pick-up devices. | 05-05-2022 |
20220139114 | IMAGE PROCESSING APPARATUS, METHOD, SYSTEM, AND COMPUTER READABLE MEDIUM - Iris image pick-up devices perform image pick-up of an iris of a moving subject. A guiding device guides the subject. A controller predicts a period in which the subject will blink next. Further, the controller predicts a period in which the subject will pass through the focusing point of the iris image pick-up devices. The controller controls the guiding device such that the subject does not blink at the focusing point in the case where the period in which the subject will blink next overlaps with the period in which the subject will pass through the focusing point. | 05-05-2022 |