Method of removing a blocking phenomenon in a first block using properties of second and third blocks adjacent the first block
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United States of America Patent
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Aug 21, 2012
Grant Date -
Feb 7, 2008
app pub date -
Oct 2, 2007
filing date -
Jun 15, 2001
priority date (Note) -
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Abstract
In one embodiment, the method includes obtaining a block type of the second block and the third block. The second block is adjacent to the first block horizontally, and the third block is adjacent to the first block vertically. The method further includes determining whether the second and third blocks have non-zero transform coefficient information if the block type of the second and third block, respectively, are not an intra-coded blocks. First and second motion vector differences between a motion vector for the first block and motion vectors for the second and third blocks, respectively, are obtained. A horizontal filter strength value and a vertical filter strength value are determined based on the above steps, and the blocking phenomenon in the first block is removed according to the horizontal filter strength value and the vertical filter strength value.
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