H.264/AVC网络视频的丢包失真评估
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摘要
针对新一代压缩编码标准H.264/AVC所使用的新编码技术在网络传输时误码对视频质量的影响,提出一种无参考的H.264/AVC网络视频的丢包失真评估方法.首先对信道误码引起的视频失真进行了分析,然后确定H.264/AVC编码新特性对空时域误码传播及误码掩盖的影响,进而提出一种无参考的H.264/AVC网络视频的丢包失真评估方法.该方法计算复杂度低,适合对实时传输的视频进行质量监控.实验结果表明,使用该方法得到视频序列的MSE(mean square error)与使用全参考视频质量评估方法得到视频序列的MSE具有很好的一致性,相关性超过0.85.
A no-reference video quality assessment method is proposed for H.264 / AVC network videos. The affection of packet loss on video qualities is first analyzed. Then,the video qualities are assessed by analyzing the spatial-temporal error propagation and error concealment which is induced by the new coding features of H.264 / AVC. The complexity of the proposed quality assessment method is low,and it is suitable for assessing qualities of real time videos. Experimental results demonstrate that the MSE( mean square error) of the assessed video qualities is consistent with that obtained by full reference quality assessment. The correlation coefficient is greater than 0. 85.
A no-reference video quality assessment method is proposed for H.264 / AVC network videos. The affection of packet loss on video qualities is first analyzed. Then,the video qualities are assessed by analyzing the spatial-temporal error propagation and error concealment which is induced by the new coding features of H.264 / AVC. The complexity of the proposed quality assessment method is low,and it is suitable for assessing qualities of real time videos. Experimental results demonstrate that the MSE( mean square error) of the assessed video qualities is consistent with that obtained by full reference quality assessment. The correlation coefficient is greater than 0. 85.
引文
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[13]WANG Yao,WU Zhenyu,BOYCE J M.Modeling of transmission loss induced distortion in decoded video[J].IEEE Transactions on Circuits and Systems for Video Technology,2006,16(6):716-732.
[14]SECKER A,TAUBMAN D.Highly callable video compression with scalable motion coding[J].IEEE Transactions on Image Process,2004,13(8):1029-1041.
[2]MAISONNEUVE J,DESCHANEL M,HEILES J,et al.An overview of IPTV standards development[J].IEEE Transactions on Broadcasting,2009,55(2):315-328.
[3]宋彬,常义林.视频通信抗误码方法研究的新进展[J].电子学报,2002,30(10):1514-1518.
[4]WIEGAND T,SULLIVAN G J,BJONTEGAARD G,et al.Overview of the H.264/AVC video coding standard[J].IEEE Transactions on Circuits and Systems for Video Technology,2003,13(7):560-576.
[5]STUHLMLLER K,FRBER N,LINK M,et al.Analysis of Video Transmission over Loss Channels[J].IEEE Journal on Select Areas in Communications,2000,18(6):1012-1032.
[6]FRBER N,STUHLMLLER K,GIROD B.Analysis of error propagation in hybrid video coding with application to error resilience[C]//IEEE International Conference on Image Processing.Washington,DC:IEEE Computer Society,1999:550-555.
[7]YANG Fuzheng,WAN Shuai,XIE Qingpeng,et al.Noreference quality assessment for networked video via primary streaming analysis of bit stream[J].IEEE Transactions on Circuits and Systems for Video Technology,2010,20(11):1544-1554.
[8]YAMADA T,MIYAMOTO Y,SERIZAWA M.NoReference video quality estimation based on errorconcealment effectiveness[C]//IEEE Packet Video.Washington,DC:IEEE Computer Society,2007:288-293.
[9]刘河潮,常义林,元辉,等,一种网络丢包的无参考视频质量评估方法[J].西安电子科技大学学报,2012,39(2):29-34.
[10]AGRAFIOTIS D,BULL D R,CANAGARAJAH C N.Enhanced error concealment with mode selection[J].IEEE Transactions on Circuits and Systems for Video Technology,2006,16(8):960-973.
[11]SULLIVAN G,WIEGAND T,LIM K P.Joint model reference encoding methods and decoding concealment methods[DB/OL].(2012-03-10).http://wftp3.itu.int/av-arch/jvt-site/2003-09-SanDiego/JVT-I049d0.doc.
[12]Joint Video Team(JVT).H.264/AVC Reference Software Version JM12.3.[DB/OL].(2011-10-15).http://iphome.hhi.de/suehring/tml/download/.
[13]WANG Yao,WU Zhenyu,BOYCE J M.Modeling of transmission loss induced distortion in decoded video[J].IEEE Transactions on Circuits and Systems for Video Technology,2006,16(6):716-732.
[14]SECKER A,TAUBMAN D.Highly callable video compression with scalable motion coding[J].IEEE Transactions on Image Process,2004,13(8):1029-1041.