Method and system for entropy decoding for scalable video bit stream
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United States of America Patent
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Feb 16, 2010
Grant Date -
Jan 19, 2006
app pub date -
Jul 14, 2004
filing date -
Jul 9, 2004
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Abstract
A method, program product and apparatus for decoding from a scalable bit stream the binarization results of a video sequence by selectively decoding syntax elements and avoiding redundancy in coding. The result is a decrease in the size of the compressed bit stream of an enhancement layer bit stream. It has been demonstrated that the compression efficiency equals that of a single, non-scalable video stream for some video sequences. These features may be achieved by determining whether a skipping flag in the base layer macro block of the video data is set, and decoding a skipping flag from an enhancement layer macro block of the video data, corresponding to the base layer macro block, only if the base layer macro block skipping flag is set.
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