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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6388676 |
Apparatus for converting color signals |
May. 14, 2002 |
| 6388675 |
Image processing apparatus and image processing method |
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 |
| 6348977 |
Color-controlled conversion of color data |
Feb. 19, 2002 |
| 6340975 |
Gamut correction with color separation and methods and apparatuses for performing same |
Jan. 22, 2002 |
| 6337922 |
Image process method, image process apparatus and storage medium |
Jan. 8, 2002 |
| 6310969 |
Color coordinate space structure and color quantizing and variable gray area designating method therein |
Oct. 30, 2001 |
| 6292195 |
Formatting color signals by selecting irregularly distributed output color points of one color space surrounding an inputted color point of another color space |
Sep. 18, 2001 |
| 6269184 |
Method and apparatus for interactive color transformation of color values between color spaces |
Jul. 31, 2001 |
| 6268847 |
Method and apparatus for more accurate color base conversion of YUV video data |
Jul. 31, 2001 |
| 6262744 |
Wide gamut display driver |
Jul. 17, 2001 |
| 6262817 |
System and method for adjusting a color image |
Jul. 17, 2001 |
| 6246396 |
Cached color conversion method and apparatus |
Jun. 12, 2001 |
| 6225974 |
Gamut correction with color separation and methods and apparatuses for performing same |
May. 1, 2001 |
| 6208351 |
Conversion of alpha-multiplied color data |
Mar. 27, 2001 |
| 6208767 |
Hardware rotation of images with line sorting in L*A*B* color space |
Mar. 27, 2001 |
| 6195081 |
Single-pass color quantization for graphic images |
Feb. 27, 2001 |
| 6177946 |
Method and apparatus for processing video data and graphics data by a graphic controller |
Jan. 23, 2001 |
| 6166720 |
Color LCD driver with a YUV to RGB converter |
Dec. 26, 2000 |
| 6140997 |
Color feature extracting apparatus and method therefor capable of easily transforming a RGB color space into a color space close to human sense |
Oct. 31, 2000 |
| 6137495 |
Method for storing, accessing, transforming, and displaying multi-variable digital data |
Oct. 24, 2000 |
| 6128415 |
Device profiles for use in a digital image processing system |
Oct. 3, 2000 |
| 6107987 |
Apparatus for table-driven conversion of pixels from YVU to RGB format |
Aug. 22, 2000 |
| 6081253 |
Method for generating numerous harmonious color palettes from two colors |
Jun. 27, 2000 |
| 6064396 |
Two-step gamma correction method and system |
May. 16, 2000 |
| 6043804 |
Color pixel format conversion incorporating color look-up table and post look-up arithmetic operation |
Mar. 28, 2000 |
| 6031543 |
Image processing apparatus for correcting color space coordinates and method |
Feb. 29, 2000 |
| 6028590 |
Color conversion for processors |
Feb. 22, 2000 |
| 5963263 |
Method and apparatus requiring fewer number of look-up tables for converting luminance-chrominance color space signals to RGB color space signals |
Oct. 5, 1999 |
| 5960162 |
Image processing apparatus which converts multi-value density data and outputs the converted data |
Sep. 28, 1999 |
| 5936683 |
YUV-to-RGB conversion without multiplies using look-up tables and pre-clipping |
Aug. 10, 1999 |
| 5920322 |
Method and apparatus for providing 32-bit YUV to RGB color conversion |
Jul. 6, 1999 |
| 5896122 |
Color image processing |
Apr. 20, 1999 |
| 5880738 |
Color mapping system utilizing weighted distance error measure |
Mar. 9, 1999 |
| 5867169 |
Method and apparatus for manipulating color values in a computer graphics system |
Feb. 2, 1999 |
| 5857063 |
Multicolorant process control |
Jan. 5, 1999 |
| 5841422 |
Method and apparatus for reducing the number of matrix operations when converting RGB color space signals to YCbCr color space signals |
Nov. 24, 1998 |
| 5838333 |
Image processing device and image processing method |
Nov. 17, 1998 |
| 5838299 |
RGB/YUV video convolution system |
Nov. 17, 1998 |
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