Selective local adaptive wiener filter for video coding and decoding

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United States of America Patent

PATENT NO 8761268
APP PUB NO 20100254448A1
SERIAL NO

12418804

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Abstract

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An adaptive Wiener filter may be applied to improve coding efficiency because of information lost during quantization of the video encoding process. The Wiener filter may be selectively applied globally to an entire picture or locally to portions of the picture. Histogram segmentation may be used to select pixels for Wiener filtering in some embodiments. The Wiener filter may be adaptively applied to histogram bins, improving coding efficiency in some cases.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiu, Yi-Jen San Jose, US 190 1991
Xu, Lidong Beijing, CN 103 1049
Zhang, Wenhao Beijing, CN 115 692

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