Patent application number | Description | Published |
20110175983 | APPARATUS AND METHOD FOR OBTAINING THREE-DIMENSIONAL (3D) IMAGE - An apparatus and method for obtaining a three-dimensional image. A first multi-view image may be generated using patterned light of infrared light, and a second multi-view image may be generated using non-patterned light of visible light. A first depth image may be obtained from the first multi-view image, and a second depth image may be obtained from the second multi-view image. Then, stereo matching may be performed on the first depth image and the second depth image to generate a final depth image. | 07-21-2011 |
20110176024 | Image Fusion Apparatus and Method - Provided are an image fusion apparatus and method for combining multi-exposure images. The image fusion apparatus and method may generate a sharp high-resolution high dynamic image while fully representing detail in an over-exposed region and an under-exposed region of the image without contrast degradation. | 07-21-2011 |
20110310276 | OPTICAL APPARATUS AND IMAGING APPARATUS USING THE SAME - An optical apparatus and an imaging apparatus capable of facilitating capturing images with a simpler structure are provided. The imaging apparatus includes a color filter divided into a plurality of regions, each of the regions configured to allow light of a preset wavelength range to pass therethrough, a main lens disposed at a front or a rear of the color filter to allow light to pass therethrough, and an optic unit to allow the light passing through the color filter or the main lens to pass therethrough. | 12-22-2011 |
20110317018 | Image sensor and method using near infrared signal - An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit. | 12-29-2011 |
20120020555 | APPARATUS AND METHOD FOR PROCESSING IMAGES - Provided are an image processing apparatus and method for restoring a high resolution of an image based on acquired image data using color information. The image processing apparatus selects at least one pixel from among pixels corresponding to narrow-band color information of image data, and estimates wide-band color information of the selected pixel. | 01-26-2012 |
20120063662 | METHOD FOR PROCESSING IMAGE, IMAGE PROCESSING APPARATUS AND MEDICAL IMAGE SYSTEM FOR PERFORMING THE SAME - An image processing apparatus is provided. The image processing apparatus includes an extraction unit configured to extract a low-frequency band component and a high-frequency band component from a radiation image formed by passing through a subject, a contrast enhancement processing unit configured to perform a contrast enhancement process to the extracted low-frequency band component, a detail enhancement processing unit configured to perform a detail enhancement process to the extracted high-frequency band component, a synthesis unit configured to synthesize an image resulting from performing the contrast enhancement process and an image resulting from performing the detail enhancement process, and a generation unit configured to reconstruct the synthesized image and generate a diagnosis image. | 03-15-2012 |
20120200731 | COLOR RESTORATION APPARATUS AND METHOD - A color restoration apparatus is provided. The color restoration apparatus including a color correction gain generator configured to compensate for a first broad-band pixel value of a first image, which is acquired from a single-exposure environment, based on a saturation gain for compensating for a difference between a time of the saturation of a broad-band pixel value and a time of the saturation of a narrow-band pixel value, and to calculate a color correction gain based on a first narrow-band pixel value of the first image and the compensated first broad-band pixel value, and a color corrector configured to compensate for a second broad-band pixel value of a second image, which is acquired from a dual-exposure environment, based on a color gain difference compensation value for compensating for a difference between color gains applied to the second image, and to calculate a restored narrow-band pixel value based on the second narrow-band pixel value, the compensated second broad-band pixel value, and the color correction gain. | 08-09-2012 |
20120220823 | ENDOSCOPE APPARATUS CAPABLE OF PROVIDING NARROW BAND IMAGING AND IMAGE PROCESSING METHOD OF THE ENDOSCOPE APPARATUS - An endoscope apparatus and image processing method of an endoscope apparatus are provided. In one respect, an endoscope apparatus includes an illumination unit for selectively providing light in a plurality of wavelength bands and white light, a sensing unit for receiving light reflected from a body cavity, and an image processing unit for generating additional synthesized images. | 08-30-2012 |
20120257030 | ENDOSCOPE APPARATUS AND IMAGE ACQUISITION METHOD OF THE ENDOSCOPE APPARATUS - An endoscope apparatus is provided. The endoscope apparatus includes an illumination unit configured to selectively provide light of different wavelength bands and white light, a sensing unit configured to generate an image signal by receiving light of a near infrared wavelength band and light of a visible light band, and an image processing unit configured to generate a color image and a plurality of narrow band images from image signals of different wavelength bands generated by the sensing unit. The sensing unit includes a plurality of photodetection pixels, each photodetection pixel comprising an infrared sub-pixel for sensing near infrared light, a red sub-pixel for sensing red light, a blue sub-pixel for sensing blue light, and a green sub-pixel for sensing green light. | 10-11-2012 |
20120262548 | METHOD OF GENERATING THREE-DIMENSIONAL IMAGE AND ENDOSCOPIC APPARATUS USING THE SAME - An endoscopic apparatus is provided. The endoscopic apparatus includes a light projection unit for configured to selectively projecting patterned light onto a body part, an imaging unit configured to capturing an image of the body part on which shadows corresponding to the predefined portions are formed due to the patterned light, and an image processing unit configured to generate an image showing depth information of the body part based on sizes of the shadows formed on the body part. Certain predefined portions of an emission surface of the patterned light may be blocked in a pattern. | 10-18-2012 |
20120262722 | APPARATUS AND METHOD FOR OPTICAL COHERENCE TOMOGRAPHY USING MULTIPLE BEAMS - An apparatus and method for optical coherence tomography are provided. The apparatus includes a light source configured to generate a plurality of beams, a light coupler configured to split the plurality of beams into measurement beams and reference beams, transmit the measurement beams to a target object via a probe, and receive response beams from the probe, a detector configured to detect interference signals based on interference between the response beams and the reference beams, and an image processor configured to generate a first image of the target object based on any one of the interference signals and generate a second image of the target object having image characteristics different from those of the first image based on an other one of the interference signals. | 10-18-2012 |
20130016905 | METHOD AND APPARATUS FOR CORRECTING COLOR DISTORTIONAANM PARK; Byung-kwanAACI SeoulAACO KRAAGP PARK; Byung-kwan Seoul KRAANM Choe; Won-heeAACI SeoulAACO KRAAGP Choe; Won-hee Seoul KRAANM Lee; Seong-deokAACI Seongnam-siAACO KRAAGP Lee; Seong-deok Seongnam-si KR - A method and apparatus for correcting color distortion are provided. The method includes detecting a color image of an object. The method further includes correcting color distortion of the detected color image to generate a corrected color image. The method further includes synthesizing color information of the corrected color image and detail information of the detected color image to generate a synthesized color image. | 01-17-2013 |
20130021341 | METHOD AND APPARATUS TO GENERATE 3D VOLUME-PANORAMA IMAGE BASED ON 3D VOLUME IMAGES - A method and apparatus to generate a volume-panorama image based on three-dimensional (3D) volume images is provided. A method of generating a volume-panorama image includes receiving pieces of image data of one or more volume images, extracting partial regions including one or more voxels from the volume images, determining a global conversion function representing a relationship of a conversion between a second volume image of the volume images and a first volume image of the volume images, the determined global conversion function being based on a conversion function representing a relationship of a conversion between one of the extracted partial regions of the second volume image and one of the extracted partial regions of the first volume image, and generating image data of a volume image to be combined with the first volume image from image data of the second volume image based on the determined global conversion function. | 01-24-2013 |
20130113481 | APPARATUS AND METHOD FOR COMPENSATING ARTIFACT IN HIGHER ORDER DIFFUSION MAGNETIC RESONANCE IMAGING (MRI) - An apparatus and method for compensating for an artifact of higher order diffusion Magnetic Resonance Imaging (MRI) are provided. The apparatus includes a construction unit configured to construct a diffusion q-space matrix, a correction unit configured to correct an image shift in a phase encoding direction in the constructed diffusion q-space matrix, a reconstruction processing unit configured to reconstruct a q-space of a Diffusion Spectrum Imaging (DSI) based on the corrected image shift, and a tracking processing unit to process a DSI fiber tracking using the reconstructed q-space of the DSI. | 05-09-2013 |
20130127459 | MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS - A magnetic resonance imaging (MRI) method includes applying a radio-frequency (RF) pulse to a subject including different tissues all including a same type of atomic nuclei to rotate magnetization directions of the atomic nuclei of the different tissues; applying an RF pulse sequence to the subject based on the magnetization directions of the atomic nuclei of the different tissues; and obtaining magnetic resonance signals from the different tissues in response to the RF pulse sequence. | 05-23-2013 |
20130129180 | METHOD AND APPARATUS FOR PROCESSING IMAGE, AND MEDICAL IMAGING SYSTEM EMPLOYING THE APPARATUS - A method of processing an image is provided. The method includes estimating a thickness of an object that includes at least two materials, from a radiation image taken with radiations of at least two energy bands; and generating an image by comparing the estimated thickness to a thickness of a local region and extracting a region of interest. | 05-23-2013 |
20130176572 | OPTICAL PROBE AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS INCLUDING THE SAME - An optical probe for irradiating light onto a subject includes an optical path control unit configured to receive light from outside the optical probe, and change a path of the light within the optical probe; an optical path length control element configured to receive the light having the changed path from the optical path control unit, and change an optical path length of the light as the optical path control unit changes the path of the light; and an optical output unit configured to receive the light having the changed optical path length from the optical path length control element, and output the light. | 07-11-2013 |
20130182928 | METHOD AND APPARATUS FOR CORRECTING POSITRON EMISSION TOMOGRAPHY IMAGE - An image correction method includes detecting signals emitted from a tracer introduced into a target; intermittently extracting some of the detected signals according to a code string in which different codes are arranged; generating an image of the target using the extracted signals; and correcting the generated image based on at least one characteristic of the generated image. | 07-18-2013 |
20130289938 | APPARATUS AND METHOD OF GENERATING TOMOGRAPHIC IMAGE - A method of generating a tomographic image includes detecting an interference signal containing cross-sectional information of a target object as raw data of the target object, the raw data being phase-modulated in a first direction with respect to a cross section of the target object; demodulating the raw data by adjusting at least one parameter of a filter function defining filtering using a fixed window size; and generating a tomographic image of the target object by performing signal processing on the demodulated raw data. | 10-31-2013 |
20130321819 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHIC IMAGE - A method of generating a tomographic includes detecting a coherence signal that is phase-modulated in a first direction with respect to a cross-section of a subject and includes cross-sectional information of the subject as raw data about the subject; generating a reference temporary tomographic image and at least one temporary tomographic image by performing signal processing on the raw data; detecting an artifact are of the reference temporary tomographic image based on a result of comparing the reference temporary tomographic image with the at least one temporary tomographic image and based on artifact statistics regarding whether an artifact exists; and restoring the artifact area. | 12-05-2013 |
20140022554 | METHOD AND APPARATUS FOR GENERATING TOMOGRAPHY IMAGES - A method and apparatus are provided to generate tomography images that performs the method. The apparatus and method are configured to determine a basis pattern from modulated phases of incident rays from a spatial light modulator according to a pattern of arranged pixels. The apparatus and method are further configured to perform spatial shift modulation shifting an arrangement of the pixels vertically or horizontally with respect to the basis pattern to obtain shift patterns of the basis pattern. The apparatus and method are configured to generate tomography images for the basis pattern and the shift patterns using spectrum signals of rays obtained from the incident rays passing through the spatial light modulator and entering a subject. The apparatus and method are configured to select a pattern that generates a clearest tomography image of the subject based on the generated tomography images. | 01-23-2014 |
20140023255 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHY IMAGE - A method of generating a tomography image includes performing a depth scan on one spot on a surface of a subject using modulated light received from a spatial light modulator, obtaining depth scan data for each of a plurality of patterns of the spatial light modulator by repeating the depth scan on the spot for each of the plurality of patterns, forming a matrix R representing a vector space based on a correlation of signal values of the depth scan data for each of the plurality of patterns, performing a matrix decomposition on the matrix R, dividing the vector space into a noise subspace and a signal subspace based on a matrix obtained by the matrix decomposition, constructing a vector space based on either one or both of components of the signal subspace and components of the noise subspace, and generating a tomography image based on the reconstructed vector space. | 01-23-2014 |
20140055789 | TOMOGRAPHIC IMAGE GENERATION APPARATUS HAVING MODULATION AND CORRECTION DEVICE AND METHOD OF OPERATING THE SAME - A tomographic image generation apparatus includes a light source unit configured to emit light to be used for scanning an object; an optical control unit configured to control a direction of propagation of light; an optical coupler configured to divide and combine incident light; a plurality of optical systems optically connected to the optical coupler; and a modulation and correction device configured to modulate and correct the light to be used for scanning the object. The modulation and correction device may be disposed between the optical control unit and the optical coupler, or may be included in an optical system that irradiates light onto the object among the plurality of optical systems. The modulation and correction device may only modulate light that is reflected to the object. | 02-27-2014 |
20140066746 | METHOD AND APPARATUS FOR CAPTURING MAGNETIC RESONANCE IMAGE - A method and apparatus for capturing a magnetic resonance image in which processes of generating T1 contrast for different regions of an object overlap with each other, thereby obtaining a magnetic resonance image having an improved contrast between different tissues within a short time. Therefore, a time required for obtaining a magnetic resonance image may be reduced, and a magnetic resonance image enabling improved diagnosis of a disease or other abnormal condition may be provided. | 03-06-2014 |
20140097839 | MAGNETIC RESONANCE IMAGE (MRI) APPARATUS AND METHOD FOR OBTAINING MRI IMAGE BY MODIFYING MOTION OF SUBJECT - Provided are a method and apparatus for obtaining a magnetic resonance imaging (MRI) image of a subject. Typically, MRI image processing that incorporates fat suppression takes a large amount of time to complete. According to various aspects, image processing that incorporates fat suppression may be postponed until MRI data is repeatedly obtained. By doing so, for example, more MRI data may be obtained during a time period of a heartbeat. | 04-10-2014 |
20140111201 | MAGNETIC RESONANCE IMAGING SYSTEM AND MAGNETIC RESONANCE IMAGING METHOD - A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes. | 04-24-2014 |
20140146324 | APPARATUS AND METHOD FOR GENERATING TOMOGRAPHY IMAGES - Provided is an apparatus and method for generating tomography images, the apparatus including a detection unit configured to modulate each of incident beams into at least two basic modulated incident lights on the basis of at least a basic modulation parameter and into a target modulated incident light on the basis of a target modulation parameter, and to detect at least two basic interference signals and a target interference signal of an object; and an imaging unit configured to analyze the at least two basic interference signals to output a set target modulation parameter, to process the target interference signal as a target image of the object, and to output the target image. | 05-29-2014 |
20140152305 | MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS - A magnetic resonance imaging (MRI) method and apparatus are provided including a signal acquirer, a resonance frequency acquirer, and an RF driver. The signal acquirer is configured to acquire a free induction decay (FID) signal or an echo signal to generate a magnetic resonance image of a portion of an area of a subject. The resonance frequency acquirer is configured to acquire a resonance frequency of the portion of the area from the acquired FID signal. The RF driver is configured to generate a refocusing RF pulse having the acquired resonance frequency. The signal acquirer, the resonance frequency acquirer and the RF driver are configured to acquire and generate in each of sections of an RF pulse sequence. | 06-05-2014 |
20140184221 | HIGH-SPEED MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS - Provided are high-speed magnetic resonance imaging methods and apparatuses that enable simultaneously obtaining magnetic resonance images with different resolutions. The present embodiments may produce magnetic resonance images with different resolutions more quickly by decreasing time taken to complete scan operations that are performed for producing the magnetic resonance images. | 07-03-2014 |
20140193095 | METHOD AND APPARATUS FOR IMAGE CORRECTION - Image correcting methods and apparatuses for removing speckles from an image are provided. The image correcting method includes selecting a first region in an image; removing a speckle from a second region except for the first region from the image by using image information at a predetermined frequency band in the image; and increasing a contrast level of the first region. | 07-10-2014 |
20140193097 | METHOD AND APPARATUS FOR BLENDING IMAGES - A method and apparatus may include aligning a reference image and an input image through ROI-based image alignment; detecting an ROI associated with an incompletely aligned region in the aligned image; and blending the aligned reference image and input image by using a plurality of weights which are attenuated according to a spatial distance from a boundary of the detected ROI. In addition, the method and apparatus may include aligning a reference image and an input image through image alignment based on an n | 07-10-2014 |
20140197833 | RADIO FREQUENCY (RF) COIL DEVICE, MAGNETIC RESONANCE APPARATUS EMPLOYING THE RF COIL DEVICE, AND METHOD OF OPERATING THE RF COIL DEVICE - a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable. | 07-17-2014 |
20140221814 | MAGNETIC RESONANCE IMAGING AND POSITRON EMISSION TOMOGRAPHY SYSTEM - Provided is a magnetic resonance imaging and positron emission tomography (MRI-PET) system. The MRI-PET system includes a PET unit and a radiofrequency (RF) coil disposed within a gradient coil assembly. | 08-07-2014 |
20140232392 | APPARATUS, METHOD, AND MAGNETIC RESONANCE IMAGING SYSTEM FOR SHIMMING B1 MAGNETIC FIELD USING RF TRANSCEIVER COIL AND RF RECEIVER COIL - A method of shimming a magnetic field, includes applying radio frequency (RF) signals to an object, using a transceiver coil, and calibrating phase offsets of magnetic resonance signals acquired from the object through a receiver coil. The method further includes generating RF signals to be applied through the transceiver coil based on magnetic resonance signals acquired from the object through the transceiver coil and the calibrated magnetic resonance signals. | 08-21-2014 |