Bitrate reduction method by requantization
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United States of America Patent
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Issued Date -
Aug 21, 2008
app pub date -
Feb 1, 2008
filing date -
Feb 16, 2007
priority date (Note) -
Abandoned
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Abstract
The method is characterized in that: if the current macroblock was coded according to the 'skipped macroblock' mode and if at least one corrected coefficient block of said macroblock has coefficients non-null or greater than a predefined threshold, the coding mode of the macroblock is modified into a mode other than 'skipped macroblock' and the data of the data stream is modified or added to specify this mode and the value of the coefficients.
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