Method of obtaining a filtered pixel value from a reference pixel group
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United States of America Patent
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Jul 17, 2012
Grant Date -
Feb 7, 2008
app pub date -
Oct 2, 2007
filing date -
Jun 15, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In one embodiment, the method includes determining a reference pixel group including a pixel to be filtered. The reference pixel group includes at least three successive pixels. Two of the three successive pixels are in a first block and one of the three successive pixels is in a second block. The second block is adjacent to the first block. The method further includes applying weight factors to at least each of the three successive reference pixels. The weight factors are different according to pixel position. A filtered value is obtained by summing at least the three weighted successive pixels.
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