Joint optimization of source coding, channel coding, and error concealment for wireless video transmission

Yingjun Su; Jing Wang; Jinshu Chen; Jianhua Lu

doi:10.1117/12.448677

20 November 2001 Joint optimization of source coding, channel coding, and error concealment for wireless video transmission

Yingjun Su, Jing Wang, Jinshu Chen, Jianhua Lu

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Proceedings Volume 4474, Advanced Signal Processing Algorithms, Architectures, and Implementations XI; (2001) https://doi.org/10.1117/12.448677
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

This paper proposes a new methodology of joint optimization among source coding, channel coding and error concealment for wireless video transmission. Specifically, a generalized distortion-rate function (GDRF), which reflects the relation between the source coding rates, channel coding rates and the end-to-end distortion consisting of quantization distortion, channel loss distortion compensated by error concealment, is established. Moreover, a classification algorithm with modified equal mean-normalized standard deviation is proposed to employ the GDRF for optimal source-channel bit-allocation. Simulation results manifest that the proposed methodology outperforms conventional joint source-channel coding (JSCC) schemes, with computational complexity being quite acceptable for real time video applications.

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Yingjun Su, Jing Wang, Jinshu Chen, and Jianhua Lu "Joint optimization of source coding, channel coding, and error concealment for wireless video transmission", Proc. SPIE 4474, Advanced Signal Processing Algorithms, Architectures, and Implementations XI, (20 November 2001); https://doi.org/10.1117/12.448677

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KEYWORDS

Forward error correction

Video

Error analysis

Data compression

Video coding

Distortion

Quantization

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