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Flexible macroblock ordering (FMO) is one of the effective error resilient tools in H.264/AVC video coding standard. Nevertheless the issue of how to suitably arrange the macroblocks in suitable FMO mapping type for different video applications is yet to be clarified and investigated. In this paper, we are analyzing the tradeoff and effectiveness of the six fixed FMO types, and based these six fixed FMO types, using the joint source-channel rate distortion optimization (RDO) principle to propose an adaptive FMO type selection strategy for different video scenes and applications. The experiment results shows that our method has more compatibility and flexibility than the six fixed FMO types, and better error resilience than most of them.
Date of Conference: 7-9 July 2008