Video deblocking method and apparatus
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United States of America Patent
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Jul 26, 2005
Grant Date -
Jul 1, 2004
app pub date -
Dec 27, 2002
filing date -
Dec 27, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Digital video imagery is deblocked as a function of horizontal and/or vertically oriented pixels that share a common attribute (such as a corresponding pixel value). In particular, a deblocking filter can be selected from amongst a plurality of candidate deblocking filters as a function of the presence of pixels that are both adjacent to one another and that are substantially similar to one another. The selected deblocking filter can be applied as a function, at least in part, of a respective center of the pixels that are both adjacent and similar to one another. In one embodiment, luminance information is deblocked pursuant to a process that is different from a deblocking process that is used with chrominance information.
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