发明名称 |
Image preprocessing with selective lowpass filtering from motion compensation |
摘要 |
Preprocessing for motion-compensated video encoding such as MPEG includes lowpass filtering, temporal ( 310 ) and/or spatial ( 312 ), locally per pixel in response to motion vector analysis and prediction error ( 304 ) and temporal change ( 306 ). This de-emphasizes image areas of rapid change which corresponds to human perception de-emphasis.
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申请公布号 |
US7412002(B2) |
申请公布日期 |
2008.08.12 |
申请号 |
US20010842955 |
申请日期 |
2001.04.25 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
KOSHIBA OSAMU;YAMAUCHI SATORU |
分类号 |
H04B1/66;H04N7/32;G06T9/00;H03M7/36;H04N7/12;H04N7/26;H04N7/36 |
主分类号 |
H04B1/66 |
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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