Method and apparatus for providing 32-bit YUV to RGB color conve

Details Method and apparatus for providing 32-bit YUV to RGB color conve Method and apparatus for providing 32-bit YUV to RGB color conve

1996-05-22

1999-07-06

Vo, Cliff N.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06T 1500

Patent

active

059203226

ABSTRACT:
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.

REFERENCES:
patent: 5625762 (1997-04-01), Takizawa et al.
patent: 5627950 (1997-05-01), Stokes
patent: 5649083 (1997-07-01), Barkans et al.
patent: 5673065 (1997-09-01), Deleeuw
patent: 5721572 (1998-02-01), Wan et al.
patent: 5736989 (1998-04-01), Lhotak

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