Content adaptive motion compensation filtering for high efficiency video coding
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United States of America Patent
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Jun 24, 2014
Grant Date -
Jun 21, 2012
app pub date -
Dec 21, 2010
filing date -
Dec 21, 2010
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Abstract
A system and method for adaptive motion filtering to improve subpel motion prediction efficiency of interframe motion compensated video coding is described. The technique uses a codebook approach that is efficient in search complexity to look-up best motion filter set from a pre-calculated codebook of motion filter coefficient set. In some embodiments, the search complexity is further reduced by partitioning the complete codebook into a small base codebook and a larger virtual codebook, such that the main calculations for search only need to be performed on the base codebook.
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