System and method for effectively encoding and decoding electronic information
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United States of America Patent
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Dec 2, 2008
Grant Date -
May 15, 2008
app pub date -
Nov 9, 2006
filing date -
Nov 9, 2006
priority date (Note) -
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Abstract
A system and method for effectively encoding and decoding electronic information includes an encoding system with a tiling module that initially divides source image data into data tiles. A frame differencing module then outputs only altered data tiles to various processing modules that convert the altered data tiles into corresponding tile components. A quantizer performs a compression procedure upon the tile components to generate compressed data according to an adjustable quantization parameter. An adaptive entropy selector then selects one of a plurality of available entropy encoders to most effectively perform an entropy encoding procedure to thereby produce encoded data. The entropy encoder may also utilize a feedback loop to adjust the quantization parameter in light of current transmission bandwidth characteristics.
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