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ADAPTIVE QUANTIZATION FOR ENHANCEMENT LAYER VIDEO CODING

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专利汇可以提供ADAPTIVE QUANTIZATION FOR ENHANCEMENT LAYER VIDEO CODING专利检索,专利查询,专利分析的服务。并且Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and tools. For example, an encoding tool determines whether quantization varies spatially over a picture, and the tool also determines whether quantization varies between color channels in the picture. The tool signals quantization parameters for macroblocks in the picture in an encoded bit stream. In some implementations, to signal the quantization parameters, the tool predicts the quantization parameters, and the quantization parameters are signaled with reference to the predicted quantization parameters. A decoding tool receives the encoded bit stream, predicts the quantization parameters, and uses the signaled information to determine the quantization parameters for the macroblocks of the enhancement layer video. The decoding tool performs inverse quantization that can vary spatially and/or between color channels.,下面是ADAPTIVE QUANTIZATION FOR ENHANCEMENT LAYER VIDEO CODING专利的具体信息内容。

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