Advanced lossless bit coding
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United States of America Patent
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Mar 23, 2010
Grant Date -
Oct 15, 2009
app pub date -
Apr 11, 2008
filing date -
Apr 11, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bit coding method modifies the bit-steam information in such a way as to provide a very high compression during lossless symbol coding and may be used as a preprocessor for Huffman and arithmetic encodings or on its own. A bit rearrangement scheme (BRS) improves the run length within a data symbol set and achieves a more efficient data-to-symbol mapping. The BRS is implemented on the data symbol set in a column-by-column fashion. The BRS can be combined with any available lossless coding scheme, providing for a more efficient lossless bit coding scheme (ALBCS).
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