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Inter-frame compression decoder

阅读:810发布:2023-12-24

专利汇可以提供Inter-frame compression decoder专利检索,专利查询,专利分析的服务。并且PURPOSE:To improve a picture quality, by providing plural vector quantization decoding means to decode a representative vector number, in which a coefficient orthogonal transformed by means of an inter-frame encoder is decoded according to the statistical property, to the coefficient, respectively. CONSTITUTION:An encoding coefficient from the encoder is inputted to one of vector quantization decoders 1031-103n selected through a change-over switch 102 by an adaptive switching circuit 107. The vector quantization decoders 1031-103n decode the representative vector number to an orthogonal transformation coefficient, and input it through a change-over switch 105 to an orthogonal inverse transformation circuit 403. The orthogonal inverse transformation circuit 403 regenerate the decoded coefficient to a prediction error, and outputs it to an adder 404. The adder 404 adds the prediction error from the orthogonal inverse transformation circuit 403 and the predicting value from a predicting circuit 408, regenerates a digital image signal, outputs it to a D/A converter 406, and simultaneously, writes it to a frame memory 411.,下面是Inter-frame compression decoder专利的具体信息内容。

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