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Fast joint source-channel coding algorithms for internet/wireless multimedia

Hamzaoui, R. and Stankovic, V. and Xiong, Z.X. (2002) Fast joint source-channel coding algorithms for internet/wireless multimedia. In: International Joint Conference on Neural Networks (IJCNN 02), 2002-05-12 - 2002-05-17, Honolulu.

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Abstract

We consider joint source-channel coding for Internet and wireless multimedia applications. Embedded source bitstreams are protected against noise in both binary symmetric channels (BSC) and packet erasure channels. For each channel, a local search joint source-channel coding (JSCC) algorithm is proposed to search for the optimal unequal error protection (UEP) scheme. Each algorithm starts with a linear-complexity step that maximizes the number of correctly decoded source bits, followed by a quick local refinement of the resulting UEP solution to minimize the average distortion. Experiments for both binary symmetric channels and packet erasure channels with the SPIHT, JPEG2000 and 3D SPIHT coders show that our local search algorithms are near-optimal in performance, whereas they are orders of magnitude faster than the best previous solutions.

Item type: Conference or Workshop Item (Paper)
ID code: 38553
Keywords: noisy channels, memoryless, transmission, channel coding , transform coding , streaming media , source coding , protection, iterative algorithms, internet, error correction codes, decoding, code standards, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 19 Mar 2012 15:22
    Last modified: 17 Jul 2013 15:30
    URI: http://strathprints.strath.ac.uk/id/eprint/38553

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