High speed digital video decompression

Details High speed digital video decompression High speed digital video decompression

H - Electricity

04

N

H04N 7/50 (2006.01) G06F 15/16 (2006.01) G06T 9/00 (2006.01)

Patent

CA 2190797

A method and apparatus for fast and cost-effective digital video decompression is disclosed. The invention implements the inverse quantization, inverse discrete cosine transform and motion compensation functions for an MPEG decoder in a pipelined parallel processor. The IDCT and motion compensation functions are implemented to maximize parallelization by using partitioned arithmetic and logic operations in a superscalar microprocessor. This approach drastically reduces the total number of instruction cycles required to perform the IDCT and motion compensation functions.

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