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ROBUST NETWORK-ADAPTIVE OBJECT-BASED VIDEO ENCODING

By Haohong Wang and Aggelos K. Katsaggelos

Abstract

Joint source-network encoding of object-based video is a very important and challenging research topic, which has not been adequately explored. In this paper, we propose a robust network-adaptive encoding approach for objectbased video. The framework jointly considers source coding, packet loss during transmission, and error concealment at the decoding. The proposed method guarantees the minimum expected distortion for the decoded video, by optimally allocating the shape and texture coding parameters at the encoder. The resulting optimization problem is solved by Lagrangian relaxation and dynamic programming. Experimental results demonstrate that the proposed method has significant gains over the non network-adaptive method

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.135.9414
Provided by: CiteSeerX
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