Method and apparatus for accomplishing multiple description coding for video
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United States of America Patent
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Jul 19, 2005
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N/A
app pub date -
Jan 23, 2003
filing date -
Jul 28, 1999
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Abstract
A method and apparatus for utilizing temporal prediction and motion compensated prediction to accomplish multiple description video coding is disclosed. An encoder receives a sequence of video frames and divides each frame into non-overlapping macroblocks. Each macroblock is then encoded using either an intraframe mode (I-mode) or a prediction mode (P-mode) technique. Both the I-mode and the P-mode encoding techniques produce an output for each of n channels used to transmit the encoded video data to a decoder. The P-mode technique generates at least n+1 prediction error signals for each macroblock.
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