MPEG-4差错复原工具及无线网络上的差错掩盖技术

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摘要首先简要介绍了在易出现差错的信道环境下通常采用的差错复原技术,然后介绍并分析了MPEG-4编码标准视频部分中提出的几种差错复原工具,阐述了视频信息在无线信道上传输时所受到的影响及通过怎样的差错掩盖方法来取得更好的视觉效果。

作者李明慧宋建新王箫程

机构地区南京邮电学院信息工程系

出处《电视技术》北大核心 2002年第12期16-18,29,共4页 Video Engineering

关键词 MPEG-4 差错复原工具无线网络差错掩盖技术视频传输误码重同步数据分割

参考文献6

1梁凡,魏晓晖,肖自美,刘红梅.基于数据分割和可逆变长编码的数字视频传输差错复原技术[J].数据通信,2000(1):23-26. 被引量：2
2冯亚林,余松煜,何昕.压缩编码视频通信中的错误恢复技术[J].电视技术,1998(12):14-16. 被引量：4
3Information teohnology-eoding of audio-visual objectsPart2:Visual. ISO/IEC 14496-2:2001.
4Wang Y, Wenger S, Wen J, et al. Error Resilient Video Coding Techniques:Real-Time Video Communication over Unreliable Networks. IEEE Signal Processing Magazine, 2000(7) :61～81.
5Kimata H, Tomita Y, Ibaraki H, et al. Concealment of damaged area of mobile video commu -nications. Proc.orkshopAudio-Visual Services over Packet Networks,Scotland, U. K, 1997(9): 17～21.
6Imura K, Machida Y, Error resilient video coding schemes for real-time and low-bitrate mobile communica-tions Signal Processing:Image Communication, 1999(14):519～530.

1魏晓晖肖自美.压缩视频的差错复原技术.全国第8届多媒体技术学术会议论文集[M].成都,1999..
2毕厚杰等编著.图象通信工程.北京:人民邮电出版社,1994.
3W.S. Lee, et al. Error resilience in video and multiplexing layers for very low bit-rate video coding system. IEEE J-SAC, Dec. 1997, pp.1764-1774.
4E. Steinbach, et al. Standard compatible extension of H.263 for robust video transmission in mobile environments. IEEE T-CSVT, Dec. 1997, pp.872-881.
5J.W. Park, et al. DCT coefficents recovery-based error concealment technique and its application to the MPEG-2 hit stream error IEEE T-CSVT, Dec. 1997,pp,845-854.
6Jian Feng, et al. Error concealment for MPEG transmissions. IEEE Trans. Consumer Electronics, May 1997, pp.183-187.
7R.Aravind, et al. Packet loss resilience of MPEG-2 scalable video coding algorithms. IEEE T-CSVT,Oct. 1996, pp.426-435.
8Mohammad Ghambri, Post-processing of late cells for packet video. IEEE T-CSVT, Dec. 96, pp.669-678.
9Mei-juan Chen, et al. Error concealment of lost motion vectors with overlapped motion compensation.IEEE T-CSVT, June 1997, pp.560-563.
10Jian Zhang, et al. MPEG-2 video services for wireless ATM networks. IEEE J-SAC, Jan. 1997, pp.119-128.

电视技术

2002年第12期

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