Process, apparatus, and system for color conversion of image...

G - Physics – 09 – G

Patent

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G09G 5/06 (2006.01)

Patent

CA 2187297

A process, apparatus, and system for generating and using lookup tables to convert image signals from a multi-component format to a single-index CLUT format for an arbitrary CLUT palette. In a preferred embodiment, lookup tables are generated for an arbitrary CLUT palette and used to convert (with Y, U, and V dithering) three-component subsampled YUV9 video signals to 8-bit CLUT signals.

Un procédé, un appareil et un système permettent de générer et d'utiliser des tables à consulter afin de convertir des signaux vidéo d'un format à composants multiples en un format à table de couleurs à indice unique avec une palette arbitraire de table de couleurs. Dans un mode préféré de réalisation, les tables à consulter générées pour une palette arbitraire de table de couleurs sont utilisées pour convertir (avec juxtaposition d'Y, U et V) des signaux vidéo sous-échantillonnés à trois composants YUV9 en signaux de table de couleurs à 8 bits.

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