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电子学报  2003 

IP网络信源信道联合编码策略

, PP. 2079-2082

Keywords: IP网络,失真估计,信源信道联合编码

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Abstract:

面向IP网络,讨论了一种信源编码的失真估计模型,并用典型的视频编码器作了验证.提出了一种基于包的信道编码方法,并将该方法引入信道编码的失真估计中,对一种信道编码的失真估计模型作了改进.以前述内容为基础,提出了两种信源信道联合编码策略,实验结果表明,这两种策略得到的最优结果在很大程度上提高了视频重建质量.

References

[1]  沈兰荪,等.视频编码与低速率传输[M].北京:电子工业出版社,2001.
[2]  Dapeng LI, et al.Streaming video over the internet:Approaches and directions[J].IEEE Trans on Circuits and Systems For Video Technology,2001,11(1):1-20.
[3]  Jianfei CAI, Chang-wen CHEN.Robust joint source-channel coding for image transmission over wireless channels[J].IEEE Transactions on Circuits and Systems for Video Technology,2000,9(10):962-966.
[4]  Jordi Ribas-Corbera, et al.Rate control in DCT video Coding for lowdelay communications[J].IEEE Trans on Circuits and Systems For Video Technology, 1999,2(9):172-185.
[5]  Gallant M, Kossentini F.Rate-distortion optimal joint source/channel coding for robust and efficient low bit rate packet video communications[A].Proceedings.2000 International Conference on Image Processing[C].Canada:ICIP,2000.
[6]  卓力,沈兰荪,等.视频流关键技术研究进展[J].电子学报,2002,30(8):1213-1218.
[7]  Yao WANG, Qin-fan ZHU.Error control and concealment for video communication:A review[J].Proceedings of the IEEE, 1998,86(5):974-997.
[8]  Appadwedula S, et al.Joint source-channel matching for a wireless communications link communications[A].IEEE International Conference on 7-11 Jun 1998[C].USA:IEEE, 1998,6(1):482-486.
[9]  Qian L, et al.A general joint source-channel matching method for wireless video transmission[A].Data Compression Conference, 1999[C].Utah, USA:Proceedings.DCC''99,1999:414-423.
[10]  Zhi-hai HE,Mitra S K.A linear source model and a unified rate control algorithm for DCT video coding[J].IEEE Transactions on Circuits and Systems for Video Technology, 2002,11(12):970-982.
[11]  Zhi-hai HE, Chang-wen CHEN.End-to-end video quality analysis and modeling for video streaming over IP network[A].Multimedia and Expo, 2002.ICME''02[C].Lauzanne:IEEE, 2002.

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