Motion compensation predictive encoder
专利汇可以提供Motion compensation predictive encoder专利检索，专利查询，专利分析的服务。并且PURPOSE: To detect a moving vector at high accuracy by binarizing a current frame picture signal and a previous frame picture signal so as to reflect the features of a local change in an original picture and evaluating a reference block with the aid of the binary signals.
CONSTITUTION: The current frame input picture signal is transmitted to a distribution measurement part 48, which obtains the frequency that each picture element shows up at every block line. A threshold decision part 50 obtains the mean (a) of distributions and the mean (b) of differences between picture elements and the mean, and transmits them to binarization circuits 54, 63, 67 and 69. The binarization circuit 54 binarizes the current frame input signal and transmits it to a detection block configuring part 56. Similarly the binarization circuits 63, 67 and 69 binarize the previous frame decoded picture signal and transmit it to a reference block configuring part 71. A binary arithmetic part 76 obtains the evaluation functions of binary data from the detection block configuring part 56 and the reference block configuring part 71, and supplies them to a comparison detection part 78. Among shift control signals, a optimum one is determined based on the evaluation function, and it is transmitted as a moving vector signal.
COPYRIGHT: (C)1988,JPO&Japio，下面是Motion compensation predictive encoder专利的具体信息内容。
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| 不同视频块尺寸的仿射模式计算 | 2020-05-13 | 331 |
| 一种编解码方法、装置及其设备 | 2020-05-08 | 841 |
| 视频编码和解码中的仿射模式 | 2020-05-13 | 787 |
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4 仿射运动信息导出
