Optimization on rate allocation and distortion control for scalable video coding multicast networks

Lu Jiang; Junni Zou; Hongkai Xiong

doi:10.1117/12.863439

30 July 2010 Optimization on rate allocation and distortion control for scalable video coding multicast networks

Lu Jiang, Junni Zou, Hongkai Xiong

Proceedings Volume 7744, Visual Communications and Image Processing 2010; 77440R (2010) https://doi.org/10.1117/12.863439
Event: Visual Communications and Image Processing 2010, 2010, Huangshan, China

Abstract

In this paper, we address the joint optimization problem of rate allocation and distortion control for scalable video coding (SVC) multicast networks. Firstly, we construct video distribution meshes by coupling network coding and multipath routing with multi-rate control to seek optimal routing paths and associated transmission rates. Secondly, a particular minimum bandwidth consumption scheme is presented for each video layer to reduce video distortion, where the content priority of the base layer and the minimum bandwidth consumption at higher layers are taken into account. Finally, a convex mathematic model combining these considerations is proposed. Through decomposition and dual approach, the target convex optimization problem is solved by a fully decentralized algorithm which is decomposed into a two-level optimization procedure. Simulation results validate the convergence behavior and performance of the proposed algorithm.

Citation Download Citation

Lu Jiang, Junni Zou, and Hongkai Xiong "Optimization on rate allocation and distortion control for scalable video coding multicast networks", Proc. SPIE 7744, Visual Communications and Image Processing 2010, 77440R (30 July 2010); https://doi.org/10.1117/12.863439

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