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Rate-distortion results for Generalized Gaussian distributions

Abstract : In this paper, we provide operational rate-distortion results for memoryless generalized Gaussian sources. Close approximations of the entropy are provided for these sources, after a uniform scalar quantization at low/high resolution. Asymptotic expressions of the distortion for an arbitrary p-th order error measure are also given. The resulting approximations at low/high bitrate of the operational rate-distortion function are thus compared with the Shannon optimal bound showing the overall good performance of uniform quantization rules.
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Contributor : Jean-Christophe Pesquet Connect in order to contact the contributor
Submitted on : Sunday, September 11, 2011 - 4:11:42 PM
Last modification on : Saturday, January 15, 2022 - 3:58:16 AM



Aurélia Fraysse, Béatrice Pesquet-Popescu, Jean-Christophe Pesquet. Rate-distortion results for Generalized Gaussian distributions. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP'08), 2008, Las Vegas, United States. pp.3753-3756, ⟨10.1109/ICASSP.2008.4518469⟩. ⟨hal-00621907⟩



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