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Class Information
Number: 348/630
Name: Television > Image signal processing circuitry specific to television > Transition or edge sharpeners > Color television processing
Description: Subject matter including a circuitry peculiar to color television signals.

Sub-classes under this class:

Class Number Class Name Patents
348/631 Luminance transition controls chrominance transition 94

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8643777 Pixel interpolation with edge detection based on cross-correlation Feb. 4, 2014
8634027 Video signal processing apparatus, enhancement gain generating method, and enhanced gain generating program Jan. 21, 2014
8625031 Video display device Jan. 7, 2014
8542246 Color conversion device, color conversion table and color conversion method Sep. 24, 2013
8537177 System and methods for gamut bounded saturation adaptive color enhancement Sep. 17, 2013
8466930 Color adjustment circuit Jun. 18, 2013
8456483 Image color balance adjustment for display panels with 2D subixel layouts Jun. 4, 2013
8421924 Image processing circuit and image processing method Apr. 16, 2013
8421814 Display device and method of driving the same Apr. 16, 2013
8411207 Device for outputting luminance signal and method thereof Apr. 2, 2013
8395636 Reducing visibility of display errors Mar. 12, 2013
8355566 Method and device for use in converting a colour image into a grayscale image Jan. 15, 2013
8330869 Image processing program, method and processor for adjusting luminance component and chrominance component Dec. 11, 2012
8305499 Image processing circuit and method for image processing Nov. 6, 2012
8295596 Adaptive histogram-based video contrast enhancement Oct. 23, 2012
8279347 System of edge direction detection for comb filter Oct. 2, 2012
8279348 Luminance information display apparatus and method Oct. 2, 2012
8233098 Gamut adaptation Jul. 31, 2012
8159616 Histogram and chrominance processing Apr. 17, 2012
8149338 Method and apparatus for color decision metadata generation Apr. 3, 2012
8144254 Contour enhancement unit and method to enhance the contours of an image Mar. 27, 2012
8139155 Self-adaptive image processing device and method Mar. 20, 2012
8077997 Method and apparatus for image processing Dec. 13, 2011
8031203 Image processing apparatus and image processing method Oct. 4, 2011
7995148 Image processing apparatus and image processing method Aug. 9, 2011
7990392 White balancing that uses values of white-balanced colors on the visible gamut's boundary Aug. 2, 2011
7990474 Image correction circuit, image correction method and image display Aug. 2, 2011
7986852 Image processing apparatus and method for adjusting a lightness and an input image Jul. 26, 2011
7932940 Apparatus for edge enhancement and peaking signal generation based on a target hue Apr. 26, 2011
7932936 System that automatically adjusts threshold value of cross color suppression and method thereof Apr. 26, 2011
7924292 Device and method for reducing visual artifacts in color images Apr. 12, 2011
7907215 Video enhancement systems and methods Mar. 15, 2011
7894001 Hue adjusting system and method thereof Feb. 22, 2011
7889280 Image processing apparatus and method thereof Feb. 15, 2011
7813003 Method and apparatus of color conversion Oct. 12, 2010
7808558 Adaptive color transient improvement Oct. 5, 2010
7738044 Method and apparatus for adjusting a chrominance signal Jun. 15, 2010
7639263 Fast filtered YUV to RGB conversion Dec. 29, 2009
7593066 Chrominance control unit and method for video images Sep. 22, 2009
7589739 Color evaluating method of image display device Sep. 15, 2009
7583322 Television and adjustment method for the same Sep. 1, 2009
7561209 Image enhancement unit and method for image quality improvement of a video stream Jul. 14, 2009
7554603 Video-signal-processing device and video-signal-transfer method Jun. 30, 2009
7535515 Motion detection in video signals May. 19, 2009
7532255 Color transient improvement unit and method to reduce blurring at color transients in video images May. 12, 2009
7518660 Picture quality improvement device and picture quality improvement method Apr. 14, 2009
7505084 Picture quality improvement device and picture quality improvement method Mar. 17, 2009
7483081 Edge compensated feature detector and method thereof Jan. 27, 2009
7483082 Method and system for automatic color hue and color saturation adjustment of a pixel from a video source Jan. 27, 2009
7460133 Optimal hiding for defective subpixels Dec. 2, 2008

1 2 3 4

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