Error concealment used for P-frame on video stream over the internet

Authors:
Ma Ran;Zhang Zhao-Yang;An Ping
Affiliations:
Key Laboratory of Advanced Displays and System Application, Ministry of Education, School of Communication and Information Engineering, Shanghai University, Shanghai, China;Key Laboratory of Advanced Displays and System Application, Ministry of Education, School of Communication and Information Engineering, Shanghai University, Shanghai, China;Key Laboratory of Advanced Displays and System Application, Ministry of Education, School of Communication and Information Engineering, Shanghai University, Shanghai, China
Venue:
MUSP'06 Proceedings of the 6th WSEAS international conference on Multimedia systems & signal processing
Year:
2006

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Abstract

Error concealment on the end of decoder, which makes use of the correctly received video data to conceal the lost video, does not need any redundancy data and has no impact to bandwidth of network. A new concealment method based on multiple motion predictions is proposed here. In this paper, motion vectors in the past and/or future frames are used to achieve the current motion vectors when the current frame is suffered, so the lost parts can be reconstructed. Experimental results show that the performance of the new method is superior to traditional single or dual forward prediction error concealment.