Method and apparatus for providing 64-bit YUV to RGB color conversion

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United States of America Patent

PATENT NO 6487308
SERIAL NO

08651292

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of providing conversion from YUV signals to RGB signals includes the steps of determining a correspondence value between each of the Y, U, and V pixel values and the corresponding one of the R, G, and B pixel values. Three tables are generated; a Y table, a U table and a V table. During operation, each table may then be easily accessed by indexing the table with the respective Y, U or V input, to provide R,G,B data. The method may be used in a 64 bit embodiment using two registers or one register. Alternatively, the method may be used in a 32 bit embodiment. The conversion method can easily be augmented to provide color adjustment during conversion without any added complexity.

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Patent Owner(s)

  • COMPAQ COMPUTER CORPORATION;HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hallahan, William I Nashua, NH 1 8
Ulichney, Robert A Stow, MA 27 540

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