发明名称 |
METHOD AND DEVICE FOR SELECTIVELY COMPRESSING VIDEO CODEC |
摘要 |
A method (100, 200), device (300) and microprocessor (400) are provided for selectively compressing video frames of a motion compensated prediction-based viedo codec based on a predetermined set of compression techniques. An energy estimate of the currrent displaced frame difference, DFD, is used to compute a ratio between the estimate and a historical mean of energy estimates. The ratio is iteratively compared to a predetermined set of thresholds which are associated with the predetermined set of compression techniques. The comparisons are used to choose a technique based on teh thresholds, and a technique is selected to be used for encoding the current DFD.
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申请公布号 |
WO9715887(A1) |
申请公布日期 |
1997.05.01 |
申请号 |
WO1996US14124 |
申请日期 |
1996.08.27 |
申请人 |
MOTOROLA INC. |
发明人 |
BANHAM, MARK, R.;BRAILEAN, JAMES, C.;LEVINE, STEPHEN, N.;KATSAGGELOS, AGGELOS, K.;SCHUSTER, GUIDO, M. |
分类号 |
G06T9/00;(IPC1-7):G06F17/00 |
主分类号 |
G06T9/00 |
代理机构 |
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地址 |
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