Rate Distortion Optimized Coding Mode Selection for H.264/AVC in Wireless Environments

Wei ZHANG, Yuanhua ZHOU

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Summary :

A flexible and robust rate-distortion optimization algorithm is presented to select macroblock coding mode for H.264/AVC transmission over wireless channels subject to burst errors. A two-state Markov model is used to describe the burst errors on the packet level. With the feedback information from the receiver and the estimation of the channel errors, the algorithm analyzes the distortion of the reconstructed macroblock at the decoder due to the channel errors and spatial and temporal error propagation. The optimal coding mode is chosen for each macroblock in rate-distortion (R-D)-based framework. Experimental results using the H.264/AVC test model show a significant performance of resilience to the burst errors.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.7 pp.2057-2060
Publication Date
2004/07/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Multimedia Systems

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