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Optimal bit allocation in scalable multiple description video coding for packet loss resilience

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Scalable multiple description video coders (SMDC) allow for better adaptation of video transmission to varying network conditions with compression efficiency comparable to that of non-scalable MDC coders. Recently, we proposed a new SMDC video coding framework, which offers flexibility in the number of descriptions, redundancy level in each description, and bitrate of each description by post encoding processing only [2]. In this work, we propose a low complexity algorithm to find the best low and high rates for this new framework to strike the optimal trade off between compression efficiency and error resilience at a given packet loss rate. We provide experimental results, by means of network simulations, to compare our method with SMDC using a fixed number of descriptions and fixed redundancy level.

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Institute of Electrical and Electronics Engineers (IEEE)

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Engineering

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13th European Signal Processing Conference, EUSIPCO 2005

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