Class / Patent application number | Description | Number of patent applications / Date published |
348624000 | For color television | 26 |
20080239155 | Low Complexity Color De-noising Filter - Methods and apparatuses for color denoising are described. There is provided an image processing method. The method comprises the steps of retrieving chrominance level for a plurality of pixels in a predetermined configuration; computing a weight for each pixel; applying the weight to the chrominance level for each the pixel; summing the weighted chrominance level to output a chrominance level for a centre pixel at the center of said predetermined configuration; and repeating the above steps for every pixel per image. The color noise can be reduced while preserving the edge without any edge detection. | 10-02-2008 |
20090086100 | Method, Apparatus and System for Providing Reproducible Digital Imagery Products From Digitally Captured Images - The present invention provides a method, apparatus and system for the transfer of a digital video content captured by a digital motion picture camera ( | 04-02-2009 |
20090091659 | MOTION DETECTION DEVICE AND METHOD, LUMINANCE/CHROMINANCE SIGNAL SEPARATION DEVICE AND METHOD, NOISE REDUCTION DEVICE AND METHOD, AND VIDEO DISPLAY DEVICE AND METHOD - The motion detection device includes an oblique correlation detection section, a motion detection section and a motion determination section. The oblique correlation detection section detects a correlation in an oblique direction (oblique correlation) of a composite video signal. The motion detection section detects a motion amount based on an inter-frame difference of the composite video signal. The motion determination section determines the presence/absence of a motion in the composite video signal based on the motion amount detected by the motion detection section. The motion determination section determines the presence/absence of the motion considering the detection results of the oblique correlation by the oblique correlation detection section. | 04-09-2009 |
20090161017 | METHOD, APPARATUS AND MACHINE-READABLE MEDIUM FOR DESCRIBING VIDEO PROCESSING - An upstream video processor may perform video processing upon video data to created processed video data. The video processing may include at least one of color correction, contrast correction, gamma correction, sharpness enhancement, and edge enhancement. Metadata indicative of the performed video processing may also be generated. The processed video data and metadata may be passed to a downstream video processor, the latter for use in determining what further video processing, if any, to apply. An intermediate video processor may receive video data and metadata indicating video processing performed thereupon by an upstream video processor. Based on the received metadata, additional video processing may be performed, and new metadata indicating the additional video processing may be generated. Composite metadata may be generated from the received and new metadata and may be passed along with the processed video data to a downstream video processor for use in determining what further video processing, if any, to apply. | 06-25-2009 |
20090185078 | SYSTEMS AND METHODS FOR VIDEO PROCESSING BASED ON MOTION-ALIGNED SPATIO-TEMPORAL STEERING KERNEL REGRESSION - A method for video processing based on motion-aligned spatio-temporal steering kernel regression may include estimating local spatio-temporal steering parameters at pixels in input video data. The method may also include using the local spatio-temporal steering parameters to apply motion-aligned spatio-temporal steering kernel regression to the input video data to perform at least one of upscaling and noise smoothing. | 07-23-2009 |
20100060794 | IMAGE PROCESSOR, IMAGE DISPLAY DEVICE, IMAGE PROCESSING METHOD, AND IMAGE DISPLAY METHOD - An image processor that corrects an image signal, includes: a brightness component correction amount calculating section that calculates the amount of correction of a brightness component of the image signal only for an image signal in a predetermined brightness level range of a predetermined spatial frequency band; and a brightness component correcting section that corrects the brightness component of the image signal by using the amount of correction calculated by the brightness component correction amount calculating section. | 03-11-2010 |
20100165208 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The gradients of a reference image signal and suppression target image signals are respectively detected. Suppression coefficients are computed according to functions defined based on the magnitude relationship among the gradient value of the reference image signal and those of the suppression target image signals. The reference image signal is weighted according to the suppression coefficients, the weighted signals are combined with the corresponding suppression target image signals, and the combined signals are output as color component signals after color fringing suppression. Then, color fringing can be effectively corrected while suppressing correction errors. | 07-01-2010 |
20100271551 | Image Processing Apparatus and Image Processing Method - An image processing apparatus comprises an image decoding unit and a static noise reducing unit. The image decoding unit decodes a data stream and generates a plurality of image comprising a current image. The static noise reducing unit, coupled to the image decoding unit, generates a first adjustment value of a target pixel of the current image according to an original luminance value of the target pixel and at least one original luminance value of a neighboring pixel associated with the target pixel. The static noise reducing unit also determines a static adjustment luminance value of the target pixel according to the original luminance value, the first adjustment value, and a first weight. The first weight is associated with the chrominance value of the target pixel. | 10-28-2010 |
20110069235 | Excellently Operable Projection Image Display Apparatus - A projector includes: an image signal processing circuit which receives and converts a first image signal to generate a second image signal representing an image to be projected; an image distortion correction unit which corrects the second image signal in response to a correction point on a projected image being changed by an operation done by a user; and an OSD circuit which operates, in response to an image distortion correction process being selected in response to an operation done by the user, to superpose a correction pattern used to allow the user to designate the correction point on the projected image, and thus display the correction pattern and the projected image on a single screen. The OSD circuit includes a switching control unit which switches a color used to display the correction pattern when the image distortion correction process is performed. | 03-24-2011 |
20110085086 | METHOD FOR ADAPTIVE NOISE REDUCTION AND APPARATUS THEREOF - An adaptive noise reduction method is for reducing chroma noise of pixels within a frame, wherein each pixel has a chroma value and a luma value. The adaptive noise reduction method includes: de-noising the chroma values of the pixels, without de-noising the luma values of the pixels. | 04-14-2011 |
20110096237 | APPARATUS AND METHOD FOR COLOR ROLLING SUPPRESSION - An apparatus and method for suppressing color rolling are provided. The apparatus includes a digital signal processor which detects first motion information on a current frame and second motion information on at least one of a plurality of neighboring frames, calculates a gain based on the first and second motion information, and applies the gain to at least one channel of the current frame. | 04-28-2011 |
20110115981 | VIDEO SIGNAL PROCESSING APPARATUS, VIDEO DISPLAY APPARATUS, VIDEO SIGNAL PROCESSING METHOD, AND INTEGRATED CIRCUIT - A CT processing unit as an example of a video signal processing apparatus includes: a CT canceling unit which calculates, for each of a first color component and a second color component of each of pixels, a crosstalk component that is produced by a first image and subtracts the crosstalk component from the corresponding one of the signal levels of the pixels of a second image, to generate a modified second image represented as a combination of a signal level of a modified first color component and a signal level of a modified second color component; and a saturation modifying unit which updates the negative signal level of the modified first color component to a value of 0 or larger from among a modified first color component and a modified second color component, and modifies the signal level of the modified second color component according to this update. | 05-19-2011 |
20110149165 | DATA PROCESSING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, TELEVISION RECEIVER, AND DATA PROCESSING METHOD - The present invention has as an object to reduce display unevenness that occurs under the influence of a coupling between a first pixel in which a green component is displayed and a data signal line by which second pixel is driven. The present invention includes a correction process section ( | 06-23-2011 |
20110181785 | Video Processing Apparatus And Mobile Terminal Apparatus - A video processing apparatus includes an input unit to which a video signal containing content is input, a first detector which detects a color of light in the surroundings, a second detector which detects whether a pattern portion formed of a single color of black or white is contained in the video signal input to the input unit, a corrector which corrects the video signal input to the input unit, and a controller. The controller conducts control so that the corrector corrects the video signal input to the input unit according to the color of light detected by the first detector if the second detector detects that the pattern portion formed of the single color of black or white is contained in the video signal input to the input unit. | 07-28-2011 |
20110199542 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - A band processing circuit which generates image signals corresponding to different frequency bands from an image signal in which signals corresponding to different colors are arranged and which suppresses noise by synthesizing the image signals of the different frequency bands, a sampling circuit which generates image signal corresponding to the colors by sampling the image signal input from the band processing circuit in accordance with a predetermined arrangement, and a luminance/color generation circuit which generates a luminance signal in which aliasing is suppressed using an image signal output from the sampling circuit. | 08-18-2011 |
20120002113 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing method includes the steps of calculating, with respect to a processing-target pixel in an input image signal, a concentric aberration correction amount for concentric aberration that is a component of magnification chromatic aberration, the concentric aberration causing a color shift to occur in a concentric manner from the center of an image, calculating, with respect to the processing-target pixel, a uniform aberration correction amount for uniform aberration that is a component of magnification chromatic aberration, the uniform aberration causing a color shift direction and a color shift amount to uniformly occur on a whole image, and correcting a pixel value of the processing-target pixel on the basis of the calculated concentric aberration correction amount and the calculated uniform aberration correction amount. | 01-05-2012 |
20120038828 | Apparatus and method for generating video signal reducing crosstalk between lightness signal and chrominance signal - In apparatus and method for generating a video signal using an LMS cone signal and an apparatus and method for restoring a video signal, a lightness signal and a chrominance signal may be generated using the LMS cone signal generated from an input image. Therefore, the generated chrominance signal may include only lightness information while the chrominance signal includes only chrominance information. | 02-16-2012 |
20120206654 | Image Display Device for Displaying Color Image on Color Display Unit - An image display device such as an LCD television comprises a microcomputer and look-up tables to store correction data for correcting color balance of an image to be displayed. The microcomputer recalculates correction data in the look-up tables and updates the correction data to the recalculated correction data based on: an input value InL and an input value InH of image data of a Low side and a High side white balance adjustment image, respectively; and a gain value GainL and a gain value GainH provided to the input values InL and InH, respectively, to bring color balance of the Low side and High side white balance adjustment image to a predetermined color balance, respectively. This image display device can increase accuracy of white balance adjustment and reduce time required for the white balance adjustment. | 08-16-2012 |
20120293714 | IMAGE PROCESSING APPARATUS, IMAGING APPARATUS, AND IMAGE PROCESSING METHOD - An image processing apparatus includes a parameter setting unit which sets a noise reduction processing parameter for use in noise reduction processing for applying onto an original image signal including a plurality of color components; a correlation arithmetic processing unit which calculates coefficients of correlation between each of the color components in the original image signal; a parameter correcting unit which corrects the noise reduction processing parameter based on the coefficient of correlation; and a noise reducing unit which reduces noise in the original image signal using the corrected noise reduction processing parameter. | 11-22-2012 |
20130113997 | DISPLAY DEVICE, DRIVING DEVICE FOR DISPLAY DEVICE, AND DRIVING METHOD THEREOF - A display device is disclosed. The display device includes a first horizontal line having a first sequence of colored pixels, and a second horizontal line having a second sequence of colored pixels. The display device also includes a signal controller for detecting a first input video signal and a second input video signal for pixels respectively disposed on a left outermost vertical line and a right outermost vertical line of the display from an input video signal. The signal controller also corrects the first input video signal and the second input video signal so that they have grayscales that are less than a threshold value. The image quality characteristic is improved by removing the color shift phenomenon of the right and left outermost vertical lines in the display device. | 05-09-2013 |
20130329135 | REAL TIME DENOISING OF VIDEO - A video enhancement processing system improves perceptual quality of video data with limited processing complexity. The system may perform spatial denoising using filter weights that may vary based on estimated noise of an input image. Specifically, estimated noise of the input image may alter a search neighborhood over which the denoising filter operates, may alter a profile of weights to be applied based on pixel distances and may alter a profile of weights to be applied based on similarity of pixels for denoising processes. As such, the system finds application in consumer devices that perform such enhancement techniques in real time using general purpose processors such as CPUs or GPUs. | 12-12-2013 |
20140253808 | IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING METHOD, AND PROGRAM - To provide a device and a method for executing remosaic processing for performing conversion into an image of a different pixel array. | 09-11-2014 |
20140293134 | DISPLAY DEVICE ILLUMINATION - A method for displaying a main image includes: populating a plurality of image entries in a video frame based on the main image; selecting an image entry specifying a first color; determining a compensation entry of a plurality of compensation entries in the video frame associated with the image entry; selecting a second color based on the first color; setting the compensation entry to the second color; and outputting the video frame with the image entry and the compensation entry for display on a display device. | 10-02-2014 |
20140300818 | EFFICIENT 2D ADAPTIVE NOISE THRESHOLDING FOR VIDEO PROCESSING - Various embodiments of the present disclosure provide techniques for performing video denoising (VDN). An adaptive noise threshold is dynamically determined and used to distinguish between frame to frame differences in pixel values that relate to image motion from those differences that relate to noise. The disclosed techniques enable the noise threshold to be continuously updated, for example as frequently as once per frame, so that the noise threshold may closely track to varying levels of noise in the input video data. The techniques may be implemented in, for example, a video format conversion apparatus. Advantageously, the techniques may be incorporated in programmable logic devices (PLD's) or Field Programmable Gate Arrays (FPGA's) configurable to perform video format conversion, while adding only modest additional computational demands on the apparatus. | 10-09-2014 |
20150326839 | ELECTRONIC DEVICE HAVING PROJECTOR AND COLOR CORRECTION METHOD THEREOF - An apparatus and a method are provided for correcting color in an electronic device. The method includes recognizing a selection from a user of a color; determining an operation mode of a projector that is projecting an image onto a screen, based on the selected color; determining a current value for driving a light source of the projector, based on the determined operation mode; and controlling the projector to apply a current corresponding to the determined current value. | 11-12-2015 |
20150350619 | Signal Processing Method, Signal Processing System and Display Device - The present invention provides a signal processing method comprising steps of: S | 12-03-2015 |