[1] Xie Mingguo, He Jianguang, Xu Zhongyou et al.. An unsharp masking technique for image enhancement with noise suppression[J]. Multimedia Technology, 2005, 2: 76～80

[2] Li Shaoda, Yang Jia, Liu Hanhu. An improved method of adaptive fuzzy image enhancement[J]. Journal of Image and Graphics, 2007, 12(8): 1339～1343

[3] Li Xiaoman, Lei Yingji. An image Enhancing method based on wavelet transform and rough sets[J]. Electronics Optics ＆ Control, 2007, 14(6): 30～32

[4] Zhang Hailing, Wang dialin, Wu diansheng et al.. Application of rough sets theory to image enhancement processing[J]. Journal of Tongji University (Natural Sconce), 2008, 36(2): 254～257

[5] Zhang Ling, Huang Fenping, Zheng Enrang. Image enhancement based on rough sets and wavelet unsharp masking[J]. Acta Photonica Sinica, 2008, 37(6):1285～1288

[6] Wang Gang, Xiao Liang, He Anzhi. Algorithm research of adaptive fuzzy image enhancementin ridgelet transform domain[J]. Acta Optica Sinica, 2007, 27(7): 1184～1190

[7] Yang Lijun, Geng Wanzhen, Jiang Linzhe et al.. Simulation of a novel method for noise reduction in infrared imaging testing[J]. Acta Optica Sinica, 1999, 19(3): 321～326

[8] Yu Yong, Guo Lei. Ant colony search for edge extraction in noise image[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1271～1275

[9] Wang Hongmei, Li Yanjun, Zhang Ke. An improved impulse noise filtering method[J]. Journal of Optoelectronics·Laser, 2008, 19(1): 107～110

[10] Zhang Daming, Ni Youcong. Improved algorithm of mathematical morphological edge detection for noisy image[J]. Computer Technology and Development, 2007, 17(9): 68～70

[11] Dong Hongyan, Li Jicheng, Shen Zhenkan. Noisy image enhancement algorithm based on the contourlet transform[J]. Signal Processing, 2007, 23(6):836～840

[12] Wang Xianghui, Zeng Ming. A new metric for objectively assessing the quality of enhanced images based on human visual perception[J]. Journal of Optoelectronics·Laser, 2008, 19(2): 258～262

[13] Fu Shujun, Ruan Qiuqi, Mu Chengpo et al.. Feature preserving bidirectional fuzzy flow for image sharpening[J]. Acta Electronica Sinica, 2007, 35(11): 2172～2175

[14] Fu Shujun, Ruan Qiuqi, Mu Chengpo et al.. Feature preserving coupled bidirectional flow for edge sharpening and image enhancement[J]. Chinese Journal of Computers, 2008, 31(3): 530～535

[15] Bai Junqi, Chen Qian. Algorithm for infrared image noise filtering based on anisotropic diffusion[J]. Acta Optica Sinica, 2008, 28(5): 866～869