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A Hybrid Frame Concealment Algorithm for H.264/AVC

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2 Author(s)
Bo Yan ; Sch. of Comput. Sci., Fudan Univ., Shanghai, China ; Gharavi, H.

In packet-based video transmissions, packets loss due to channel errors may result in the loss of the whole video frame. Recently, many error concealment algorithms have been proposed in order to combat channel errors; however, most of the existing algorithms can only deal with the loss of macroblocks and are not able to conceal the whole missing frame. In order to resolve this problem, in this paper, we have proposed a new hybrid motion vector extrapolation (HMVE) algorithm to recover the whole missing frame, and it is able to provide more accurate estimation for the motion vectors of the missing frame than other conventional methods. Simulation results show that it is highly effective and significantly outperforms other existing frame recovery methods.

Published in:

Image Processing, IEEE Transactions on  (Volume:19 ,  Issue: 1 )