发明名称 |
Method, post-processing filter, and video compression system for suppressing mosquito and blocking atrifacts |
摘要 |
The visibility of mosquito and blocking artifacts in a video compression system (200) are effectively suppressed by calculating a post-processed pixel intensity. A post-processed pixel intensity is determined (100) using a predetermined noise variance, a predetermined autocorrelation coefficient, and a local neighborhood of pixels that includes a plurality of previously post-processed pixel intensities and a plurality of original pixel intensities. This eliminates the dependency on local signal and noise power estimates.
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申请公布号 |
US5802218(A) |
申请公布日期 |
1998.09.01 |
申请号 |
US19940334718 |
申请日期 |
1994.11.04 |
申请人 |
MOTOROLA, INC. |
发明人 |
BRAILEAN, JAMES CHARLES |
分类号 |
G06T5/20;H04N5/21;H04N7/26;H04N7/30;(IPC1-7):G06K9/40 |
主分类号 |
G06T5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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