Rate–distortion theory
Branch of information theory which provides the theoretical foundations for lossy data compression / From Wikipedia, the free encyclopedia
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Rate–distortion theory is a major branch of information theory which provides the theoretical foundations for lossy data compression; it addresses the problem of determining the minimal number of bits per symbol, as measured by the rate R, that should be communicated over a channel, so that the source (input signal) can be approximately reconstructed at the receiver (output signal) without exceeding an expected distortion D.
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