DocumentCode :
390272
Title :
Joint transceiver bit allocation for wireless video communication
Author :
Su, Kngjun ; Lu, Jianhua ; Wang, Jing
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Volume :
1
fYear :
2002
fDate :
29 June-1 July 2002
Firstpage :
229
Abstract :
A global bit-allocation algorithm for wireless video communication is presented in this paper. Specifically, a generalized distortion-rate model at macroblock level is first proposed, which reflects the relation among the source coding rates, channel coding rates and the end-to-end distortion consisting of quantization distortion and channel loss distortion compensated by error concealment. Based on this model, a classification algorithm with modified equal mean normalized standard deviation is applied for optimal bit-allocation. Simulation results manifest that the proposed algorithm outperforms conventional bit allocation schemes both in terms of rate-distortion framework and perceptual evaluation.
Keywords :
combined source-channel coding; rate distortion theory; transceivers; video coding; visual communication; channel coding rates; channel loss distortion; classification algorithm; end-to-end distortion; error concealment; generalized distortion-rat model; global bit-allocation algorithm; joint transceiver bit allocation; macroblock level; perceptual evaluation; quantization distortion; source coding rates; wireless video communication; AWGN; Bit rate; Channel coding; Classification algorithms; Decoding; Quantization; Source coding; Transceivers; Video coding; Wireless communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Communications, Circuits and Systems and West Sino Expositions, IEEE 2002 International Conference on
Print_ISBN :
0-7803-7547-5
Type :
conf
DOI :
10.1109/ICCCAS.2002.1180609
Filename :
1180609
Link To Document :
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