Coding distortion removal method by selectively filtering based on a pixel difference
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United States of America Patent
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Feb 5, 2013
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app pub date -
Oct 30, 2007
filing date -
Nov 29, 2001
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Abstract
Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by determining whether coding distortion removal (deblocking) is necessary, and applying a deblocking filter only when needed.
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