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Error Resilient Video Coding Using B Pictures in H.264

Authors Ma, Mengyao HKUST affiliated (currently or previously)
Au, Oscar C. HKUST affiliated (currently or previously)
Chan, Gary Shueng Han View this author's profile
Guo, Liwei HKUST affiliated (currently or previously)
Issue Date 2009
Source IEEE transactions on circuits and systems for video technology , v. 19, (10), 2009, OCT, p. 1448-1461
Summary Since the quality of compressed video is vulnerable to errors, video transmission over unreliable Internet is very challenging today. Multi-hypothesis motion-compensated prediction (MHMCP) has been shown to have error resilience capability for video transmission, where each macroblock is predicted by a linear combination of multiple signals (hypotheses). B picture prediction is a special case of MHMCP. In H.264/AVC, the prediction of B pictures is generalized such that both of the two predictions can be selected from the past pictures or from the subsequent pictures. The multiple reference picture framework in H.264/AVC also allows previously decoded B pictures to be used as references for B picture coding. In this paper, we will discuss the error resilience characteristics of the generalized B pictures in H.264/AVC. Three prediction patterns of B pictures are analyzed in terms of their error-suppressing abilities. Both theoretical models (picture level error propagation) and simulation results are given for the comparison.
ISSN 1051-8215
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Language English
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