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Proceedings Paper

ARMDC with multipath transmission
Author(s): Juan Zhao; Guang-xi Zhu
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Paper Abstract

This paper tackles the problem of robust video streaming over error-prone channels. A new MDC scheme-auto-resilient multiple-description coding (ARMDC) with optimized transmission strategy is proposed. ARMDC combines the individual benefits of MDC and LC, making little change to current standard encoders/decoders. More important, it can automatically perform error resilience at receiving end even if feedbacks are not received. Sample intervals of sub-bitstreams and coding of difference between common frames are considered carefully to acquire best ARMDC coding effect and to exactly rebuild corrupt frames without drift. A self-adapt coding and transmission system is then constructed, in which ARMDC is combined with multi-path transmission to efficiently confront the bad channel condition. Both bit-rate (R) and distortion (D) are calculated to minimize the value of Lagrangian formulation when the two technologies are applied respectively. A unitary-optimized operation of the whole system is then proposed after the R-D calculation. Basing on the operation, our system gain fine self-adaptation to the error-prone mobile channel. Experiment results show that the performance of our ARMDC with optimized multi-path selection system has better performance over other self-adapt systems.

Paper Details

Date Published: 5 December 2005
PDF: 8 pages
Proc. SPIE 6022, Network Architectures, Management, and Applications III, 60223X (5 December 2005); doi: 10.1117/12.636709
Show Author Affiliations
Juan Zhao, HuaZhong Univ. of Science and Technology (China)
Guang-xi Zhu, HuaZhong Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 6022:
Network Architectures, Management, and Applications III
Kwok-wai Cheung; Gee-Kung Chang; Guangcheng Li; Ken-Ichi Sato, Editor(s)

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