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Error resilient methods for real-time MPEG-4 video streaming

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4 Author(s)
Wei-Ying Kung ; Mitsubishi Electr. Res. Labs., Broadway Cambridge, MA, USA ; Hao-Song Kong ; Vetro, A. ; Huifang Sun

Two error resilient approaches are proposed respectively, to replenish intra and inter frame in this work. First we propose a spatial-domain error concealment method to conceal corrupted still images and intra-coded (I) frames. It can recursively restore pixels from the previously concealed pixels, which are selected by a proposed evaluation method. In such method, object edges can be replenished with a low complexity. Second, we propose an error resilient approach for P-frame. With our proposed approach, only a small amount of side information is extracted and packed at the end of every frame. Decoder can easily restore motion vector from the side information for concealment. Experimental results show that the proposed algorithm can provide better visual quality in comparison with the existing approaches.

Published in:

Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on  (Volume:3 )

Date of Conference:

23-26 May 2004