Design and analysis of multihypothesis motion-compensated prediction (MHMCP) codec for error-resilient visual communications

Wei-Ying Kung; Chang-Su Kim; C.-C. Jay Kuo

doi:10.1117/12.570679

25 October 2004 Design and analysis of multihypothesis motion-compensated prediction (MHMCP) codec for error-resilient visual communications

Wei-Ying Kung, Chang-Su Kim, C.-C. Jay Kuo

Author Affiliations +

Proceedings Volume 5600, Multimedia Systems and Applications VII; (2004) https://doi.org/10.1117/12.570679
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

A multi-hypothesis motion compensated prediction (MHMCP) scheme, which predicts a block from a weighted superposition of more than one reference blocks in the frame buffer, is proposed and analyzed for error resilient visual communication in this research. By combining these reference blocks effectively, MHMCP can enhance the error resilient capability of compressed video as well as achieve a coding gain. In particular, we investigate the error propagation effect in the MHMCP coder and analyze the rate-distortion performance in terms of the hypothesis number and hypothesis coefficients. It is shown that MHMCP suppresses the short-term effect of error propagation more effectively than the intra refreshing scheme. Simulation results are given to confirm the analysis. Finally, several design principles for the MHMCP coder are derived based on the analytical and experimental results.

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Wei-Ying Kung, Chang-Su Kim, and C.-C. Jay Kuo "Design and analysis of multihypothesis motion-compensated prediction (MHMCP) codec for error-resilient visual communications", Proc. SPIE 5600, Multimedia Systems and Applications VII, (25 October 2004); https://doi.org/10.1117/12.570679

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