Apparatus for removing blocking artifact by filtering pixels in a horizontal and then vertical direction
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United States of America Patent
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Aug 7, 2012
Grant Date -
Feb 14, 2008
app pub date -
Oct 3, 2007
filing date -
Jun 15, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block, and determine a filtering coefficient based on values obtained from a table using the quantization. Four successive filtered pixel values in horizontal direction are obtained by the decoder based on the filtering coefficient, and four successive filtered pixel values in the vertical direction are obtained by the decoder based on the filtering coefficient after obtaining the four successive filtered pixel values in the horizontal direction.
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