Method and device for robust decoding of header information in macroblock-based compressed video data
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Jan 7, 1999
filing date -
Jan 7, 1999
priority date (Note) -
Expired
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Abstract
A method and apparatus for decoding encoded parameter data included within a packet containing encoded video data transmitted over an error prone channel is disclosed herein. The method contemplates determining a bit length L of the encoded parameter data. Candidate sequences of codewords are then compared to the encoded parameter data in accordance with a predetermined distortion metric. An optimized sequence is selected from the candidate sequences based upon predefined criteria related to the distortion metric. The optimized sequence collectively has a number of bits equivalent to the bit length L and is usable in decoding the encoded video data.
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