DEBLOCKING FILTER
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Nov 14, 2008
filing date -
Nov 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-standard deblocking filter for deblocking video images including a deblocking unit configured to deblock edges of a current macroblock of an image based on samples taken from a first sample window comprising said current macroblock and a second sample window adjacent to said first sample window; three memory banks coupled to said deblocking unit, a first memory bank arranged to store samples of said first sample window, a second memory bank arranged to store samples of said second sample window, and a third memory bank arranged to store samples of a third sample window adjacent to the second sample window comprising a macroblock deblocked in a previous deblocking operation; and control circuitry to control, during a same macroblock deblocking operation, loading and deblocking of said current macroblock and outputting of samples of said third sample window from the third memory bank.
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