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Class Information
Number: 345/604
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Computer graphics processing > Attributes (surface detail or characteristic, display attributes) > Color or intensity > Color bit data modification or conversion > Color space transformation (e.g., rgb to yuv)
Description: Subject matter where one system of representing the color spectrum is changed to another system in accordance with a mathematical rule.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
6717585 Color conversion characteristic determining method, image display device, and recording medium Apr. 6, 2004
6707459 Adjustment of color values for optimized image processing Mar. 16, 2004
6693644 Graphic accelerator reducing and processing graphics data Feb. 17, 2004
6693643 Method and apparatus for color space conversion Feb. 17, 2004
6693638 Data processing method using combined software/hardware scheme and apparatus for the same Feb. 17, 2004
6690383 Color calibration of displays Feb. 10, 2004
6680740 Dynamic selection of data format conversion paths Jan. 20, 2004
6681041 System and method for converting color data Jan. 20, 2004
6670960 Data transfer between RGB and YCRCB color spaces for DCT interface Dec. 30, 2003
6670965 Single-pass warping engine Dec. 30, 2003
6650336 Color conversion device and method capable of improving color reproduction Nov. 18, 2003
6642934 Color mapped and direct color OSD region processor with support for 4:2:2 profile decode function Nov. 4, 2003
6642931 Dynamically-generated color look-up table Nov. 4, 2003
6639628 Apparatus and method for processing color images Oct. 28, 2003
6636628 Iteratively clustered interpolation for geometrical interpolation of an irregularly spaced multidimensional color space Oct. 21, 2003
6633666 Process and system for defining and visually depicting colors from the components of arbitrary color models Oct. 14, 2003
6633302 Color reproduction system for making color display of four or more primary colors based on input tristimulus values Oct. 14, 2003
6633407 HMMD color space and method for quantizing color using HMMD space and color spreading Oct. 14, 2003
6621498 High-speed non-separable color table lookup Sep. 16, 2003
6621526 Colorimetry converting apparatus Sep. 16, 2003
6618500 Color conversion matrix based on minimal surface theory Sep. 9, 2003
6615729 Method and device for determining and/or converting color profiles Sep. 9, 2003
6614489 Method of processing signals and apparatus for signal processing Sep. 2, 2003
6580822 Device, method and record medium for color space conversion from RGB data to CMYK data Jun. 17, 2003
6570577 System for nonlinear correction of video signals and method thereof May. 27, 2003
6567097 Display control apparatus May. 20, 2003
6556312 Data converter and method Apr. 29, 2003
6542162 Color mapped and direct color OSD region processor with support for 4:2:2 profile decode function Apr. 1, 2003
6538742 Color reproducing system Mar. 25, 2003
6529202 Color adviser Mar. 4, 2003
6525721 Color profile management and color collection management, navigation and visual design Feb. 25, 2003
6518975 Modularized architecture for color and image management system Feb. 11, 2003
6509979 Printing method using inter-pixel blending on an absorbent substrate Jan. 21, 2003
6501480 Graphics accelerator Dec. 31, 2002
6486889 Methods and apparatus for transforming RGB video Nov. 26, 2002
6462748 System and method for processing color objects in integrated dual color spaces Oct. 8, 2002
6459437 Color converting device Oct. 1, 2002
6459436 Image processing method and apparatus Oct. 1, 2002
6456293 Method and apparatus for working with constrained color on a computer terminal display Sep. 24, 2002
6448974 Method and apparatus for chroma key data modifying insertion without video image fragmentation Sep. 10, 2002
6417862 Device and method for blending true colors and fog colors to generate display colors Jul. 9, 2002
6411304 Color data gamut conversion using three color lightness ranges in an apparatus, method, and computer-readable recording medium with a program making a computer execute the method recorded ther Jun. 25, 2002
6392656 Field-sequential color image display apparatus and method with reduced color breakup May. 21, 2002
6388675 Image processing apparatus and image processing method May. 14, 2002
6388676 Apparatus for converting color signals May. 14, 2002
6384838 Optimized lookup table method for converting Yuv pixel values to RGB pixel values May. 7, 2002
6380943 Color display apparatus Apr. 30, 2002
6362831 Method and apparatus for performing plural matrix multiplication operations using a single coded look-up table Mar. 26, 2002
6356276 Median computation-based integrated color interpolation and color space conversion methodology from 8-bit bayer pattern RGB color space to 12-bit YCrCb color space Mar. 12, 2002
6356277 YUV-RGB digital conversion circuit and picture display device and electronic equipment using the same Mar. 12, 2002

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