Method and apparatus for decoding digital video stream
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Mar 14, 2006
filing date -
Mar 14, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides method and apparatus of digital video stream decoding by calculating the complexity of the B-type coded frame or macro-block and decoding whether the motion compensation can be skipped to save the time of accessing the referencing memory. The block with the decompressed accumulative pixel difference is less than a predetermined threshold and the motion vector equals to (0,0) or 'Frame movement', the motion compensation is skipped and one of the P-Type or I-type referencing frames will be accessed as the reference for motion compensation.
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