全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

引入Foveation视觉模型的MPEG视频码流码率转换

DOI: 10.11834/jig.2005012289

Keywords: 视频转换,Foveation视觉模型,码率控制

Full-Text   Cite this paper   Add to My Lib

Abstract:

视频码流转换是支持在异质网络环境中进行视频通信的关键技术之一。提出了一种充分利用人类视觉系统特性的MPEG视频码流码率转换方法。与原有方法相比,该方法在转换过程中巧妙地使用Foveation视觉模型,有效地提高转换效率,产生视觉质量更好的低码率码流,并减少了计算量。

References

[1]  Youn J,Xin J,Sun M T,et al.Video transcoding for multiple clients[A].In:Proceedings of SPIE:Visual Communication and Image Processing 2000[C].Sydney,Australia,2000:76 ~ 85.
[2]  Assuncao P A A,Ghanbari M.A frequency-domain video transcoder for dynamic bit-rate reduction of MPEG-2 bit streams[J].IEEE Transactions on Circuits for Systems and Video Technology,1998,8(8):953 ~967.
[3]  Geisler W S,Perry J S.A real-time foveated multiresolution system for low-bandwidth video communication[J],Proceedings of SPIE,1998,3299:294 ~ 305.
[4]  Lee S.Foveated video compression and visual communications over wireless and wireline networks[D].Austin,Texas,USA:The University of Texas at Austin,2000.
[5]  Lee S,Pattichis M S,Bovik A C.Foveated video quality assessment[J].IEEE Transactions on Multimedia,2002,4[(1):129 ~ 132.
[6]  Fung K T,Chan Y L,Siu W C.New architecture for dynamic frameskipping transcoder[J].IEEE Transactions on Image Processing,2002,11(8):886 ~900.
[7]  Assuncao P A A,Ghanbari M.Transcoding of single-layer MPEG video into lower rates[J].IEEE Proceedings Vision Image Signal Processing,1997,144(6):377 ~ 383.
[8]  Reid M M,Millar R J,Black N D.Second generation image coding:an overview[J].ACM Computing Surveys,1997,29 [(1):3 ~ 29.
[9]  ISO/IEC JTC1/SC29/WG11/93-400,MPEG-2 Video Test Model 5(TMS)[S].

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133