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Source coding for average rate and average distortion: New variable-length coding theorems

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1 Author(s)

Although variable-length codes are known to be an efficient class of codes in noiseless coding, little is known about these codes for sources subjected to a fidelity constraint. Variable-length source coding theorems with a fidelity criterion are proved and variable-length coding is shown to be applicable to sources without any regularity requirements such as stationarity. Also, unlike fixed-length coding, it is shown that the convergence of average performances to the distortion-rate function does not depend on the sample path properties of the source.

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Information Theory, IEEE Transactions on  (Volume:29 ,  Issue: 6 )