计算机科学 ›› 2015, Vol. 42 ›› Issue (4): 302-305.doi: 10.11896/j.issn.1002-137X.2015.04.062
王学春,刘申晓,常朝稳
WANG Xue-chun, LIU Shen-xiao and CHANG Chao-wen
摘要： 为使图像压缩编码算法同时具有较高的压缩比和较好的图像复原质量,提出了一种基于Contourlet与小波变换的混合域图像编码方案,并在分析 SPIHT算法的基础上进一步改进,取消了SPIHT算法中对LIS表的分类,统一按照先子代后孙代的小波空间树顺序进行编码。仿真实验结果表明,提出的混合域图像压缩编码方案是一种高效的数字图像压缩算法,与SPIHT算法相比,该算法的重建图像具有更好的视觉效果,而且提高了编码速度。
| [1] Shapiro J M.Embedded image coding using zerotree of wavelet coefficients [J].IEEE Transactions on Signal Processing,1993,41(12):3445-3462 [2] Said A,Pearlman W A.A new,fast,and efficient image codec based on set partitioning in hierarchical trees[J].IEEE Transactions on Circuits and Systems for Video Technology,1996,6(3):243-250 [3] Taubman H.High performance scalable image compression with EBCOT [J].IEEE Trans.on Image Proces-sing,2000,9(7):1158-1170 [4] 杨红颖,金海波,王向阳.基于视觉特性的Contourlet域图像压缩编码算法[J].计算机科学,2008,35(1):250-254 [5] Park S I,Smith M J T,Mersereau R M.Improved structures of maximally image analysis [J].IEEE Trans.on Image Proces-sing,2004,13(11),1424-1431 [6] Do M N,Vetterli M.The contourlet transform:an efficient directional multiresolution image representation [J].IEEE Trans.on Image Processing,2005,14(12):2091-2106 [7] Hua Zhen,Li Ye-wei,Li Jin-jiang.Image Nonlinear Enhance-ment Algorithm Based on Nonsubsampled Contourlet Transform [J].International Journal of Digital Content Technology and Its Applications,2011,5(7):43-51 [8] 倪雪,王华力,陈亮,等.Contourlet域方向子带稀疏表示的图像压缩感知[J].计算机应用研究,2013,0(6):1889-1891,8 [9] Hua Zhen,Li Hong-Juan,Li Ye-wei.Remote Sensing Image Fusion Algorithm Using Dyadic Contrast Contourlet Transform[J].International Journal of Advancements in Computing Technology,2011,3(7):132-140 [10] 冯燕,吕嘉凯,贾蒙,等.一种结合 Contourlet和小波变换的图像编码算法[J].电子与信息学报,2009,1(6):1323-1326 [11] 汤敏,陈秀梅,陈峰.基于Contourlet变换和SPIHT算法的彩色医学图像压缩[J].计算机科学,2014,1(1):303-306 [12] Eslami R,Radha H.Wavelet-based contourlet transform and its application to image coding[J].Proc.of IEEE International Conference on Image Processing.Singapore,2004(5):3189-3192 [13] Moinuddin A,Khan E,Ghanbori M.Efficient algorithm for very low bit rate embedded image coding[J].IET Image Processing,2008,2(2):59-71 [14] 李玲,王向阳.基于视觉敏感特性的小波域图像编码算法研究[J].小型微型计算机系统,2010,31(4):780-783 [15] 侯宏录,姚恩源.基于FPGA的图像压缩与编码算法设计[J].光电技术应用,2013,28(1):42-46 |
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