Method of performing loop-filtering on sets of four successive pixels of an image
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United States of America Patent
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Aug 14, 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 quantization information of a first block, obtaining a block type of the first block, and comparing the quantization information and a threshold value. Loop-filtering is performed on four successive pixels by using at least three successive pixels in a horizontal direction firstly if the quantization information is greater than the threshold value and the type of the first block is intra-coded block type, and loop-filtering is performed on four successive pixels by using at least three successive pixels in a vertical direction secondly if the quantization information is greater than the threshold value and the type of the first block is intra-coded block type.
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