[1] [1] Tu Chaoping, Xiao Jinsheng, Du Kanghua, et al. Multi-focus image fusion algorithm based on the anisotropic thermal diffusion equation［J］. Acta Electronica Sinica, 2015, 43(6): 1192-1199.

[2] [2] Kong W W, Zhang L J, Lei Y. Novel fusion method for visible light and infrared images based on NSST-SF-PCNN［J］. Infrared Physics & Technology, 2014, 65(7): 103-112.

[3] [3] Liu C, Jin L, Tao H, et al. Multi-focus image fusion based on spatial frequency in discrete cosine transform domain［J］. IEEE Signal Processing Letters, 2015, 22(2): 220-224.

[4] [4] Niu Yingchao, Zhou Zhongfa, Xie Yating, et al. Remote sensing image fusion based on pyramid transform algorithm optimization［J］. Laser & Optoelectronics Progress, 2017, 54(1): 012801.

[5] [5] Wang Yumei, Chen Daimei, Zhao Genbao. Imagefusion algorithm of infrared and visible images based on target extraction and Laplace transformation［J］. Laser & Optoelectronics Progress, 2017, 54(1): 011002.

[6] [6] Palsson F, Sveinsson J R, Ulfarsson M O, et al. Model-based fusion of multi-and hyperspectral images using PCA and wavelets［J］. IEEE Transactions on Geoscience & Remote Sensing, 2015, 53(5): 2652-2663.

[7] [7] Cai Zhishan, Chen Musheng. Study on multi-focus image fusion method based on wavelet transfrom［J］. Laser & Optoelectronics Progress, 2015, 52(9): 091003.

[8] [8] Petrovic＇ V S, Xydeas C S. Gradient-based multiresolution image fusion［J］. IEEE Transactions on Image Processing A Publication of the IEEE Signal Processing Society, 2004, 13(2): 228-37.

[9] [9] Lu H, Zhang L, Serikawa S. Maximum local energy: an effective approach for multisensor image fusion in beyond wavelet transform domain［J］. Computers & Mathematics with Applications, 2012, 64(5): 996-1003.

[10] [10] Wang Li, Lu Di, Lü Jianfei. Multi-focus image fusion scheme based on wavelet contrast［J］. Journal of Image and Graphics, 2008, 13(1): 145-150.

[11] [11] Ma Xianxi, Peng Li, Xu Hong. Block-based assimilation of spatial frequency multi-focus image fusion algorithm［J］. Science Technology and Engineering, 2012, 12(1): 64-67.

[12] [12] You Chunyan. Study on the key technology of image fusion based on multiresolution analysis［D］. Chongqing: Chongqing University, 2014.