子带编码的率失真效率研究

IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record Pub Date : 1991-12-02 DOI:10.1109/GLOCOM.1991.188364

T. Fischer

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引用次数: 28

摘要

研究结果表明，对于广义平稳高斯源的子带编码，如果对子带信号进行隐式分离编码，其编码性能一般不如源的率失真函数。例外情况是当源是白色或当过滤器是理想的(砖墙)。

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On the rate-distortion efficiency of subband coding

It is shown that, for the subband coding of a wide sense stationary Gaussian source, with the implied separate encoding of the subband signals, the encoding performance is generally inferior to the rate-distortion function of the source. Exceptions are when the source is white or when the filters are ideal (brickwall).<>

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IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record

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