Network Adaptive Video Transport by Combining Multiple Description and Scalable Coding

To cope with problems such as bandwidth fluctuation and random packet loss in Internet video communication, this paper proposes a new Multiple Path Transport (MPT) scheme for Fine Granular Scalability (FGS) video, which combines the advantages of both FGS and Multiple Description Coding (MDC). In the scheme, the base layer is transmitted by duplication in each path invariably, while the bit-planes of the enhancement layer are transferred by a way that is selected adaptively from choices of duplication and MDC according to bandwidth variation of the paths. The scheme has the advantage that both packet loss resilience and bandwidth flexibility of the video stream are considered simultaneously. Experimental results show that our scheme can obviously improve the quality of the decoded video at stingy bandwidth.