[1] [1] LI Hui-hui,GUO Lei,LIU Hang.Research on image fusion based on the second generation curvelet transform ［J］.Acta Optica Sinica,2006,26(5):657-662.

[2] [2] YANG Liu,GUO Bao-long,NI Wei.Multifocus image fusion algorithm based on region statistics in contourlet domain ［J］.Journal of Xi′an Jiaotong University,2007,41(4):448-452.

[3] [3] ZHANG Qiang,GUO Bao-long.Fusion of multifocus images based on the nonsubsampled contourlet transform［J］.Acta Photonica Sinica,2008,37(4):838-843.

[4] [4] CROUSE M S,NOWARK R D.Hidden markov models for wavelet-based signal processing［C］.Proceedings of the 30st Asilomar Conference on Signals,Systems and Computers,1996,2:1029-1035.

[5] [5] CROUSE M S,NOWARK R D.Wavelet-based statistical signal processing using hidden Markov models ［J］.IEEE Trans on Signal Processing,1998,46(4):886-902.

[6] [6] DUNCAN D Y P,MINH N D.Directional multiscale modeling of images using the contourlet transform ［J］.IEEE Trans on Image Processing,2006,6(15):1610-1620.

[7] [7] YANG J,BLUM R S.Image fusion using the expectation maximization algorithm and a hidden Markov models［C］.IEEE Vehicular Technology Conference,2004,6:4563-4567.

[8] [8] LIAO Z W,HU S X,TANG Y Y.Region-based mulifocus image fusion based on Hough transform and wavelet domain hidden markov models［C］.Proceedings of the Fourth International Conference on Machine Learning and Cybernetics,2005,9:5490-5495.

[9] [9] MIN Wang,PENG Dong-liang,LIU Zhan-wen,YANG Shu-yuan.Image fusion using a contourlet HMT model［C］.Proceedings of 2007 International Symposium on Intelligent Signal Processing and Communication Systems,2007:678-681.

[10] [10] MINH N D,VETTERLI M.Contourlet:a new directional multiresolution image representation ［J］.IEEE Trans on Image Processing,2002,1(1):497-501.

[11] [11] LIU Sheng-peng,FANG Yong.A contourlet domain image denoising method based on mathematical morphology ［J］.Acta Photonica Sinica,2008,37(1):197-201.

[12] [12] CHEN Zhi-gang,Yin Fu-chang.Remote sensing image magnification and enhancement by the contourlet transform［J］.Acta Photonica Sinica,2008,37(10):2132-2135.

[13] [13] XIANG Jing-bo,SU Xiu-qin,LU Tao.Image enhancement based on the contourlet transform and mathematical morphology［J］.Acta Photonica Sinica,2009,38(1):224-227.

[14] [14] MAES F,COLLIGNON A,VANDERMEULEN D,et al.Multimodality image registration by maximization of mutual information ［J］.IEEE Transactions on Medical Imaging,1997,16(2):187-198.