Video edge filtering
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
Apr 29, 2009
filing date -
Apr 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus are provided for performing overlap transform and deblocking of a decompressed video signal. The video image is sub-divided into a plurality of non-overlapping macroblocks, each of which comprises a plurality of smaller sub-blocks. Each macroblocks comprises two luminance partitions and one chrominance partition. Each partition is buffered and further buffering is provided for sub-blocks of each partition. Overlap transform and deblocking are performed by buffering sub-blocks from current partitions and sub-blocks from partitions from adjacent macroblocks. Overlap transform is performed in the current macroblock for buffered sub-blocks and deblocking is performed for blocks in the adjacent macroblocks.
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