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RATE-DISTORTION OPTIMAL VIDEO TRANSPORT OVER IP WITH BIT ERRORS

By Oztan Harmanci

Abstract

In this paper we propose a method for video delivery over bit error channels. In particular, we propose a rate distortion optimal method for slicing and unequal error protection (UEP) of packets over bit error channels. The proposed method performs full frame based search using a novel dynamic programming approach to determine the optimal slicing configuration in a practically short time. Also we propose a rate and distortion estimation technique that decreases the time to evaluate the objective function for a slice configuration. The proposed method can perform rate-distortion UEP that can be used over forward error correction(FEC) capable channels. We show that the proposed method successfully exploit the local dynamics of a video frame and perform more than 1dB better than common methods. 1

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.134.3543
Provided by: CiteSeerX
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