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	Optimal rate control for transporting VBR video over QoS-assured channels
	Li Chun-Wen ; Zhu Peng
	2010-05-06 ; 2010-05-06
关键词	Practical/ computational complexity delay systems discrete time systems linear systems optimal control quality of service video coding/ QoS-assured channels optimal rate control variable bit-rate compressed video quality of service discrete linear time-delay system discrete maximum principle time complexity/ B6135C Image and video coding C3370P Control applications in video and audio techniques C5260D Video signal processing C1340D Discrete control systems C1340J Distributed parameter control systems C4240C Computational complexity
中文摘要	In this paper we discuss how to select appropriate source and channel rate for transporting variable bit-rate (VBR) compressed video over QoS (quality of service)-assured channels. We first formulate it as an optimal control problem of discrete linear time-delay system. Then the discrete maximum principle is used to get the optimal control. Compared to traditional solutions, the proposed algorithm is designed for the coder with continuous output rate, and can work without special requirements for the encoder and decoder buffer sizes. Theoretical analysis and experimental results show that the proposed algorithm has lower space and time complexity. Our solution can be used in both off-line and on-line coding.
语种	英语 ; 英语
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9152]
专题	清华大学
推荐引用方式 GB/T 7714	Li Chun-Wen,Zhu Peng. Optimal rate control for transporting VBR video over QoS-assured channels[J],2010, 2010.
APA	Li Chun-Wen,&Zhu Peng.(2010).Optimal rate control for transporting VBR video over QoS-assured channels..
MLA	Li Chun-Wen,et al."Optimal rate control for transporting VBR video over QoS-assured channels".(2010).

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