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color lookup table (CLUT)

In color representations, the colors of all pixels

are often not stored, but all colors of an image are entered in a color table. This method is used in pseudo-color modes, including Tagged Image File Format (TIFF) and Graphics Interchange Format

(GIF). The Color Lookup Table (CLUT) provides a selection of colors from the entire color palette to which color image values are assigned. During processing, programs decode the color images by replacing the code assigned to each pixel with the corresponding color in the CLUT.

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Englisch: color lookup table - CLUT
Updated at: 13.08.2011
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