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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 procedure is used in pseudo-color modes, with which the Tagged Image File Format( TIFF) and the Graphics Interchange Format( GIF), among others, work.

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.

Englisch: color lookup table - CLUT
Updated at: 13.08.2011
#Words: 91
Links: indium (In), color, image, procedure, tagged image file format (TIFF)
Translations: DE

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