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...

基于子带四叉树合并的图像位平面编码

DOI: 10.11834/jig.20060474

Keywords: 图像编码,位平面编码,扫描树,小波变换

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用图像经过小波变换后系数的分布特点,能够有效地进行图像编码。为了充分利用小波系数的带内相关性和带间相关性,提出了一种有效的位平面编码算法。该算法将各个子带四叉树合并成一棵扫描树,然后再根据扫描树提供的扫描信息进行位平面编码。该算法能够有效地对纹理丰富的图像区域进行编码,比EZW和SPIHT算法具有更好的编码效果。除此之外,该算法还具有实现简单、执行速度快和消耗存储空间资源少等特点,降低了硬件实现的难度,具有很强的实用性。

References

[1]  Shapiro J M.Embedded image coding using zerotrees of wavelet coefficients[J].IEEE Transactions on Signal Processing,1992,41 (12):3445 ~ 3462.
[2]  ISO/IEC 15444,JPEG2000 image coding system[S].
[3]  Taubman D.High performance scalable image compression with EBCOT[J].IEEE Transactions on Image Processing,2000,9 (7):1158 ~ 1170.
[4]  Islam A,Pearlman W A.An embedded and efficient low-complexity hierarchical image coder[A].In:Proceeding of SPIE International Conference on Visual Communications and Image Processing[C],San Jose,CA,1999:294 ~305.
[5]  Witten I H,Neal R M,Cleary J G.Arithmetic coding for data compression[J].Computing Practices,1987,30 (6):520 ~ 540.
[6]  Said A,Pearlman W A.A new,fast and efficient image codec based on partitioning in hierarchal trees[J].IEEE Transactions on Circuits and Systems for Video Technology,1996,6 (3):243 ~ 250.
[7]  Hsiang S-T,Woods J W.Embedded image coding using zeroblocks of subband/wavelet coefficient and context modeling[A].In:Proceedings of the IEEE International Conference on Circuits and Systems(ISCAS-2000)[C],Geneva,Switzerland,2000:662 ~ 665.
[8]  Andrew J.A simple and efficient hierarchical image coder[A].In:Proceedings of the IEEE International Conference on Image Processing (ICIP-1997)[C],Santa Barbara,CA,1997:658 ~ 661.
[9]  Bilgin A,Sementilli P J,Sheng F,et al.Scalable image coding using reversible integer wavelet transforms[J].IEEE Transactions on Image Processing,2000,9(11):1972 ~ 1977.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133