Maintaining a plurality of codebooks related to a video signal
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United States of America Patent
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Jul 8, 2008
Grant Date -
Jan 29, 2004
app pub date -
May 28, 2003
filing date -
May 29, 2002
priority date (Note) -
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Abstract
A method of enhancing picture quality of a video signal is disclosed. The method comprises the steps of receiving an encoded video signal having a plurality of headers; maintaining a plurality of codebooks based upon the differences between a standard definition picture and a high definition picture; and providing a pointer to a particular codebook of the plurality of codebooks when decoding a frame of the video signal.
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