Encoding and decoding methods and apparatus, signal and computer program product therefor
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United States of America Patent
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Jul 16, 2013
Grant Date -
Feb 4, 2010
app pub date -
Jul 30, 2008
filing date -
Jul 30, 2008
priority date (Note) -
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Abstract
A video sequence including images in the form of digital samples is encoded by: subsampling the video sequence to produce: a number N of multiple descriptions of the video sequence, each multiple description including 1/N samples of the video sequence, and a subsampled version of the sequence, the subsampled version having a resolution lower or equal to the resolution of the N multiple descriptions. The N multiple descriptions and the subsampled version are subjected to scalable video coding (SVC) to produce an SVC encoded signal having a base layer and N enhancement layers predicted from said base layer. The subsampled version of the sequence and the N multiple descriptions of the video sequence constitute the base layer and the enhancement layers, respectively, of the SVC encoded signal.
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