Analysis of multihypothesis motion compensated prediction (MHMCP) for robust visual communication

Authors:
Wei-Ying Kung;Chang-Su Kim;C. -C.J. Kuo
Affiliations:
Motorola, San Diego, CA, USA;-;-
Venue:
IEEE Transactions on Circuits and Systems for Video Technology
Year:
2006

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Abstract

A multihypothesis motion compensated prediction (MHMCP) scheme, which predicts a block from a weighted superposition of more than one reference blocks, 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.