Class / Patent application number | Description | Number of patent applications / Date published |
348252000 | With transition or edge sharpening (e.g., aperture correction) | 35 |
20090021613 | Video camera apparatus - Under circumstances where various recording formats are employed for HD (high-definition) images, the present invention provides a user-friendly video camera apparatus that can be used in a variety of user environments. An HD mode video signal picked up by an imaging unit is encoded to video data in the H.264 format and recorded onto an HDD. A decoder and an encoder transcode the video data reproduced from the HDD to video data in the MPEG2 format, whereas a resolution conversion module performs a resolution conversion process to obtain SD (standard-definition) mode video data. The converted data is dubbed to an optical disc (DVD) for recording purposes. | 01-22-2009 |
20090027522 | SYSTEMS AND METHODS FOR ENHANCING EDGE DETECTION - Systems and methods for performing edge detection on a surface. An example system includes a camera having a line of sight approximately perpendicular to a plane associated with a camera surface, one or more illumination sources having a line of sight that is less than perpendicular to the plane by a predefined threshold amount, and a processor in signal communication with the camera. The processor receives images generated by the camera, compares the received images, and determines an edge located within one or more of the captured images based on the comparison. | 01-29-2009 |
20090066818 | Apparatus and method for restoring image - An apparatus and method for restoring an image are provided. The apparatus includes an edge-strength-detection module which detects an R-channel edge strength, a G-channel edge strength and a B-channel edge strength from an input image and generates an R-channel edge map, a G-channel edge map and a B-channel edge map based on the R-channel edge strength, the G-channel edge strength and the B-channel edge strength; an edge-strength-compensation module which compensates for the R-channel edge strength and the B-channel edge strength based on the G-channel edge strength; a valid-value-generation module which generates a valid value indicating a blur level based on the compensated R-channel edge strength and the compensated B-channel edge strength; a point spread function (PSF) estimation module which estimates a PSF corresponding to the valid value; and an image-restoration module which restores the input image using the PSF. | 03-12-2009 |
20090231474 | Multifunction Video Communication Service Devices - This invention relates to a multimedia device ( | 09-17-2009 |
20090268064 | VIDEO SIGNAL PROCESSING APPARATUS - A video signal processing apparatus includes: an imaging section for imaging a subject to generate a video signal; an outline emphasis processing section for emphasizing an outline portion within the imaged image, the outline emphasis processing section detecting the outline portion based on the video signal which is output from the imaging section and emphasizing the outline portion by using an externally-input outline emphasis control signal; an imaging control section for generating at least one imaging control signal for controlling an imaging operation of the imaging section; and an outline emphasis control section for generating an outline emphasis control signal for determining a level of emphasizing the outline portion in accordance with the at least one imaging control signal, and transmitting the outline emphasis control signal to the outline emphasis processing section. The video signal processing apparatus is able to perform an appropriate outline emphasis process under any imaging condition and provide a good image quality. | 10-29-2009 |
20090316024 | IMAGE EDGE DETECTION APPARATUS AND METHOD, IMAGE SHARPNESS EMPHASIZING APPARATUS AND METHOD, RECORDED MEDUIM RECORDED THE PROGRAM PERFORMING IT - The present invention relates to an apparatus for and a method of providing a sharper image by preventing the deterioration of an image caused by the difference in dynamic ranges of a center part and a surrounding part of the image photographed by an image sensor or by the difference of lens resolution. In accordance with an embodiment of the present invention, an image edge detection apparatus and a method thereof, a sharpness emphasis apparatus and a method thereof, and a recoding medium recorded with a program performing the method can acquire the sharpness and quality of a desired image by detecting an edge of a surrounding part by use of an edge detection filter having a different filter area size and/or a weight of a computed edge value in a center part and the surrounding part, respectively, of the image, and then by giving a weight to the detected edge. | 12-24-2009 |
20100002104 | IMAGE-SIGNAL PROCESSING APPARATUS AND IMAGE-SIGNAL PROCESSING - The object is to enable picture compositing having a balanced and uniform appearance over the whole image even when performing space-variant image-signal processing. Provided is an image-signal processing apparatus for performing image-signal processing on an input image signal, the image-signal processing apparatus comprising a first signal processing unit for performing first signal processing on the input image signal; a correction-coefficient calculating unit for calculating a first correction coefficient on the basis of the image signal after being subjected to the first signal processing by the first signal processing unit; and a second signal processing unit for performing second signal processing on the input image signal using the first correction coefficient. | 01-07-2010 |
20100066874 | Image processing method - An image processing method for executing edge enhancement for an original image includes: extracting edge components based upon the original image; correcting the extracted edge components by attenuating the individual edge components so that a frequency distribution related to intensity of the edge components approximates a Gaussian distribution assuming a specific width; and executing edge enhancement for the original image based upon the corrected edge components. | 03-18-2010 |
20100134661 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD AND PROGRAM - An image processing apparatus is configured as follows. Namely, an image processing apparatus is provided with an imaging device in which a plurality of types of imaging elements having different spectral sensitivities are aligned on a single plane and which obtains a color imaging signal, first edge direction judging unit which judges a direction along which an edge is produced in the color imaging signal based on pixel values of the respective imaging elements, a high-color difference region judging unit which judges a region where the pixel values have a high-color difference, second edge direction judging unit which further judges a direction of the edge, direction dependence smoothing unit which smoothes the pixel values of the respective imaging elements by interpolating them along the direction, and omnidirectional smoothing unit which smoothes the pixel values of the respective imaging elements in all directions based on pixel values of peripheral pixels. | 06-03-2010 |
20100201851 | DIGITAL CAMERA INCORPORATING A SHARPNESS PREDICTOR - A method for determining a sharpness predictor for an input digital image includes determining one or more image metrics by analyzing the input digital image; and determining the sharpness predictor from the one or more image metrics. | 08-12-2010 |
20100259652 | IMAGE CAPTURING APPARATUS AND CONTROL METHOD THEREFOR - Edge components in a predetermined direction of a captured image are extracted to generate a waveform image representing the levels of the extracted edge components and the extracted positions. The waveform image is displayed with the captured image. For example, the operability and visibility for focusing in manual focusing can be improved. | 10-14-2010 |
20100259653 | METHOD FOR DRIVING SEMICONDUCTOR DEVICE - The resolution of a low-resolution image is made high and a stereoscopic image is displayed. Resolution is made high by super-resolution processing. In this case, the super-resolution processing is performed after edge enhancement processing is performed. Accordingly, a stereoscopic image with high resolution and high quality can be displayed. Alternatively, after image analysis processing is performed, edge enhancement processing and super-resolution processing are concurrently performed. Accordingly, processing time can be shortened. | 10-14-2010 |
20100283876 | SYSTEMS, METHODS, AND APPARATUS FOR CAMERA TUNING AND SYSTEMS, METHODS, AND APPARATUS FOR REFERENCE PATTERN GENERATION - Descriptions are provided of various implementations of an automated tuning process configured to optimize a procedure for post-processing images captured by a camera sensor. | 11-11-2010 |
20110157436 | METHOD AND APPARATUS FOR RINGING AND HALO CONTROL - A system is disclosed for reducing artifacts in images and video, such as ringing or halo artifacts. The system may include an edge detector and a gain controller. The edge detector may create an edge image used by the gain controller to create a gain image, and the gain image may be used to reduce artifacts in an image. The gain controller may, for a current pixel in the edge image, compute the maximum value of the edge image over a window containing the current pixel. The gain controller may also perform averaging to determine a maximum edge value and a current edge value, and may also use a ratio of the current edge value and the maximum edge value to determine a gain to be applied to a pixel of an image. | 06-30-2011 |
20110228146 | IMAGING APPARATUS - An imaging apparatus includes an imaging device configured to convert an optical image generated via an optical system to an image signal, an extracting unit configured to extract a characteristic area including a predetermined characteristic from an image which is based on the image signal, an aperture correction unit configured to perform an aperture correction based on an aperture correction characteristic determined for each of predetermined positions on the image based on the image signal, and a controller configured to determine the aperture correction characteristic based on a position of the characteristic area on the image based on the image signal. | 09-22-2011 |
20120013775 | Enhanced Image Capture Sharpening - An image capture sharpening subsystem for a digital camera includes a capture sharpening processor and a memory that stores values for a capture sharpening amount. The values for the capture sharpening amount are a function of position on an image sensor of the digital camera. The capture sharpening processor receives a first value for a pixel in an image captured by the image sensor and a position value for the pixel on the image sensor. The capture sharpening processor determines a pixel sharpening amount from the values for the capture sharpening amount stored in the first memory according to the position value. The capture sharpening processor applies a capture sharpening process to the pixel to provide a second value for the pixel according to the pixel sharpening amount and stores the second value in a second memory that provides a sharpened version of the image captured by the image sensor. | 01-19-2012 |
20120038800 | METHOD OF IMAGE PROCESSING AND IMAGE PROCESSING APPARATUS - A method of image processing includes: providing a radiance map, generating a first image in which an edge part is preserved and a flat part is smoothed by applying an edge preservation smoothing filter to the radiance map, generating a second image having a visually perceivable dynamic range by applying a correction curve to the first image, and generating a display image having corrected lightness by adjusting a hue value and a chroma value of the second image. | 02-16-2012 |
20120105690 | CAMERA SYSTEM AND IMAGING METHOD USING MULTIPLE LENS AND APERTURE UNITS - A camera system ( | 05-03-2012 |
20120169905 | Method And Image Sensor For Image Sharpening And Apparatuses Including The Image Sensor - The method includes deciding a predominant edge direction of an image using edge directions of a plurality of pixels, and sharpening each of the pixels based on the predominant edge direction and the edge directions of the pixels. | 07-05-2012 |
20140160325 | IMAGE PROCESSING APPARATUS, AND INFORMATION PROCESSING METHOD - An information processing method includes calculating a second spatial filter having a size of the number of elements larger than a blur size of an image using a finite first spatial filter having an anisotropy in resolution of the image and a finite filter in which a value of a total sum of elements is zero and at least two elements have a non-zero value, and generating a plurality of spatial filters having a predetermined number of elements or less from the second spatial filter. | 06-12-2014 |
20140192238 | System and Method for Imaging and Image Processing - One or more objects of interest from a scene are selected. Depth information of the one or more objects is calculated. Additionally, depth information of the scene is calculated. The calculated depth information of the one or more objects is compared with calculated depth information of the scene. Based on the comparison a blur is applied to an image that includes the scene. | 07-10-2014 |
20140192239 | IMAGE APPARATUS AND IMAGING METHOD - An imaging apparatus includes an imaging element, a correction value calculating unit, and a correction unit. The imaging element images an object through a photographing lens to generate an image signal. The correction value calculating unit calculates correction values for a plurality of frequency components of the image signal, the correction values corresponding to an aperture value acquired when the object is imaged through the photographing lens. The correction unit corrects frequency characteristics of the plurality of frequency components in accordance with the correction values calculated. | 07-10-2014 |
20140211050 | IMAGING DEVICE, IMAGING METHOD AND RECORDING MEDIUM - An imaging method includes setting a manual focus mode for moving a focus lens according to an operation of an operation unit, generating a contrast image, which is an image in which an edge of a taken image is enhanced or extracted, and superimposing and displaying, in the case of the manual focus mode, the contrast image on an optical image of the object in an optical finder. | 07-31-2014 |
20140300783 | METHOD FOR DRIVING SEMICONDUCTOR DEVICE - The resolution of a low-resolution image is made high and a stereoscopic image is displayed. Resolution is made high by super-resolution processing. In this case, the super-resolution processing is performed after edge enhancement processing is performed. Accordingly, a stereoscopic image with high resolution and high quality can be displayed. Alternatively, after image analysis processing is performed, edge enhancement processing and super-resolution processing are concurrently performed. Accordingly, processing time can be shortened. | 10-09-2014 |
20150085166 | SIMULATED LARGE APERTURE LENS - A camera apparatus includes a photogrammetric range sensor, small aperture lens and a processor configured to carry out a method for simulating a large aperture lens. The method includes capturing a photographic image data of a scene using the camera with the lens set to a small aperture size. Simultaneously or near-simultaneously with capturing the image, the camera captures photogrammetric range data pertaining to depth of objects in a field of view of the camera, using the range sensor. The processor then processes the photographic image data using the photogrammetric range data to obtain second photographic data simulating an image captured using a lens set to an aperture size larger than the small aperture size. | 03-26-2015 |
20150103214 | Image Sharpening Processing Method and Apparatus, and Shooting Terminal - An image sharpening processing method and apparatus, and a shooting terminal, where the method includes acquiring to-be-processed image; performing edge-preserving filtering processing on the image to obtain base image information and detail image information, where the base image information includes image edge information; determining, according to the image edge information, a sharpening gain required for performing sharpening processing on the detail image information; and performing sharpening processing on the detail image information using the sharpening gain. It is implemented that the sharpening gain required for sharpening processing is determined by the image edge information, thereby suppressing noise amplification and avoiding generating a phenomenon of overshoot for sharpened image information and improving quality of a sharpened image. | 04-16-2015 |
20150116552 | Digital camera system and a method for controlling the digital camera system - The present invention relates to a digital camera system comprising an image sensor for capturing digital images, an optical unit for forming an image onto the image sensor, the optical unit having a focus distance that can be varied between a minimum focus distance and a maximum focus distance, a control module for controlling the image sensor and the optical unit, an image processing module for processing captured images, and an image storage for storing captured images. The control module is configured to, upon receiving an order to capture an image, order the image sensor to capture a sequence of images while varying the focus distance between a first and a second focus distance and to store the sequence of captured images in the image storage, and the image processing module is configured to evaluate said sequence of images with regard to a defined criterion, to select at least one images from the sequence of images based on the result of the evaluation. | 04-30-2015 |
20150130973 | IMAGE-PICKUP OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS - An image-pickup optical system includes: a first lens provided near an aperture stop and configured to correct aberration; and a second lens arranged between the first lens and an image sensor and configured to collect light, the first lens being a gradient index lens. The degree of freedom of design of a gradient index lens is higher than that of a lens having a constant refractive index, and a gradient index lens thus has a high potential as a device for a lens. Because such a gradient index lens is employed, it is possible to correct aberration without performing expensive processing such as polishing for example. In other words, as a result, costs may be reduced and image-forming properties may not be reduced at the same time. | 05-14-2015 |
20150301431 | METHOD OF CAPTURING IMAGES - A method of capturing images includes the following steps of: providing a camera module including an image capture unit, a liquid lens unit, and an image process unit; capturing a clear image through the camera module; enlarging the camera's relative aperture to create a shallow depth-of-field; adjusting the focal plane of the liquid lens unit to analyze object depth information in the clear image; and adding or storing the depth information of the object to the clear image. | 10-22-2015 |
20150326772 | IMAGE PICKUP APPARATUS, METHOD OF CONTROLLING IMAGE PICKUP APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - An image pickup apparatus includes a determination unit configured to determine, based on luminance information of an object, a shooting condition from among a plurality of shooting conditions containing information on an aperture value and a shutter speed, a control unit configured to perform control so as to sequentially shoot a plurality of images having in-focus positions different from each other while discretely moving a focus lens by each moving amount depending on the aperture value, and an image synthesizing unit configured to synthesize the plurality of images, and the determination unit determines the shooting condition from among the plurality of shooting conditions so as to reduce a time for shooting the plurality of images. | 11-12-2015 |
20160042500 | LOCAL CONTRAST ADJUSTMENT FOR DIGITAL IMAGES - Edge enhancement of a digital image can include using at least two signal processing paths to adjust a display-formatted pixel value to enhance the appearance of edges in displayed image data. A digital image can be filtered by producing an edge enhancement factor, a, per pixel from at least one look up table (LUT). Digital image data can also be adjusted using at least two signal processing paths, where the image data is adjusted if a pixel value and its neighboring pixel values are all within a smoothing range or where the pixel delta value is outside of a bad pixel range and its neighboring pixel delta values are all within the bad pixel range. In such cases, the image data can be adjusted by replacing the pixel value with an average or median value of the neighboring pixels. | 02-11-2016 |
348253000 | Color TV | 4 |
20090147109 | CALCULATING INTERPOLATION ERRORS FOR INTERPOLATION EDGE DETECTION - An edge directed demosaicing algorithm for determining an edge direction from an input color filter array (CFA) sampled image is disclosed. Aspects of the present invention include calculating for a current missing green pixel, interpolation errors in an East-West (EW) direction at known neighboring green pixels, and averaging the EW interpolation errors to obtain an EW error. Interpolation errors are also calculated for the current missing green pixel in a North-South (NS) direction at known neighboring green pixels, and the NS interpolation errors are averaged to obtain a NS error. An EW or NS direction indicated by a minimum of the EW error and the NS error is then selected as the edge direction. | 06-11-2009 |
20140132808 | METHOD AND APPARATUS FOR INTERPOLATING COLOR - A method for interpolating a color includes interpolating, in a first pixel of a first color, a first pixel value based on pixel values of pixels adjacent to the first pixel, skipping an interpolation on a second pixel of a second color corresponding to the first pixel of the first color; and generating an image based on the interpolated first pixel value and an uninterpolated pixel value of the second pixel. | 05-15-2014 |
20150042850 | Apparatus and a Method for Imaging - An apparatus and a method is provided. An apparatus including at least one color separation diffraction grating configured to direct different spectral components of incident light in different directions; one or more further diffraction gratings configured to at least partially compensate for dispersion in one or more of the different spectral components of light; and one or more image sensors configured to detect the one or more dispersion compensated spectral components of light. | 02-12-2015 |
20150381908 | SYSTEM FOR HYPERSPECTRAL IMAGING IN VISIBLE LIGHT, METHOD FOR RECORDING A HYPERSPECTRAL IMAGE AND DISPLAYING THE HYPERSPECTRAL IMAGE IN VISIBLE LIGHT - An imaging system comprises a light field camera ( | 12-31-2015 |