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Stereo image transmission over fading channels with multiterminal source coding

Khirallah, C. and Stankovic, Vladimir M. and Stankovic, L. and Cheng, S. (2009) Stereo image transmission over fading channels with multiterminal source coding. [Proceedings Paper]

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Abstract

This paper addresses the problem of wireless delivery of a captured scene from two cameras, which do not communicate with each other, to a central point for joint decoding. We exploit correlation among two camera views using distributed source coding and use complete complementary (CC) data spreading to combat multiple access interference and noise even when the transmitters are de-synchronized. Our distributed source coding scheme is based on uniform scalar quantization in the DCT domain and non-asymmetric Slepian-Wolf coding via turbo codes. The non-asymmetric Slepian-Wolf scheme enables efficient trade-off between the transmission rates of the two cameras. Simulation results indicate that the proposed system outperforms significantly two independently JPEG-encoded streams at low transmission rates.

Item type: Proceedings Paper
ID code: 12881
Keywords: combined source-channel coding, data compression, decoding, discrete cosine transforms, fading channels, image coding, turbo codes, Slepian-Wolf coding, complete complementary data spreading, distributed source coding, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 04 Oct 2010 11:16
    Last modified: 17 Jul 2013 13:27
    URI: http://strathprints.strath.ac.uk/id/eprint/12881

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