Loop deblock filtering of block coded video in a very long...

Details Loop deblock filtering of block coded video in a very long... Loop deblock filtering of block coded video in a very long...

2004-10-25

2008-11-25

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240120, C375S240290

Reexamination Certificate

active

07457362

ABSTRACT:
This invention is applicable to filtering block artifacts of macroblock and block oriented video compression. This invention computes all possible filter results speculatively and simultaneously in parallel, computes conditions for application of corresponding filter results simultaneously in parallel, and writes filter results to memory conditionally dependent upon computed corresponding conditions. This invention permits effective block filtering on a very long instruction word data processor.

REFERENCES:
patent: 6041145 (2000-03-01), Hayashi et al.
patent: 2004/0213470 (2004-10-01), Sato et al.

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