NDLI: Adaptive joint source/channel coding for robust video transmission

Content Provider	IEEE Xplore Digital Library
Author	Wei-Ying Kung Chang-Su Kim Ku, R. Kuo, C.-C.J.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA (Wei-Ying Kung; Chang-Su Kim; Ku, R.; Kuo, C.-C.J.)
Abstract	A robust video transmission technique that protects video signals adaptively against channel errors is proposed in this work. First, we develop a source model, which estimates the bit rate and the quantization error. Second, the encoder associates each packet with the mean square error between the error-free reconstruction and the concealed reconstruction. Third, the quantization parameter and the channel code rate are adaptively assigned to each packet so that the expected mean square error due to source and channel distortions is minimized subject to a constraint on the total transmission bit rate. Simulation results show that the proposed algorithm provides acceptable image quality in a high bit error rate environment.
Sponsorship	IEEE IEEE Circuits & Syst. Soc
File Size	366070
File Format	PDF
ISBN	0780374487
DOI	10.1109/ISCAS.2002.1011453
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel coding Robustness Bit rate Quantization Video compression Discrete cosine transforms Protection Bit error rate Entropy Mean square error methods
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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