Method of CABAC significance MAP decoding suitable for use on VLIW data processors
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United States of America Patent
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Oct 12, 2010
Grant Date -
Oct 30, 2008
app pub date -
Apr 26, 2007
filing date -
Apr 26, 2007
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Abstract
This invention decodes a next significance symbol using a selected context. The invention operates in a loop for each symbol decode for a whole block until the number of decoded map elements reaches a maximum number of coefficients for the block type or a last significant coefficient marker is decoded updating loop variables accordingly. This invention counts the number of decoded significance symbols indicating a significant coefficient and stores the locations of such significant coefficients in an array. An embodiment of this invention estimates the number of significant coefficients in a block and selects the inventive method or a prior art decode method.
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