[1] [1] Haynam C, Wegner P, Auerbach J, et al. National ignition facility laser performance status[J]. Applied Optics, 2007, 46(16): 112-115.

[2] [2] Zhang Xiaoming, Zheng Wanguo, Wei Xiaofeng, et al. Preliminary experimental results of Shenguang Ⅲ technical integration experiment line[C]//SPIE, 2005, 56(27): 6-12.

[3] [3] Chen Qinhao, Xu Renfang, Peng Zhengyun, et al. Automatic beam alignment for laser-fusion facility[J]. Acta Optica Sinica, 1995, 15(5): 531-533. (in Chinese)

[4] [4] Kong Bing, Wang Zhao, Tan Yushan. Algorithm of laser spot detection based on circle fitting[J]. Infrared and Laser Engineering, 2001, 31(3): 275-279. (in Chinese)

[5] [5] Tang Guanqun. Analysis and comparison of several calculation methods of beam spot center[J]. Journal of Beijing Institute of Machinery, 2009, 24(3): 61-64. (in Chinese)

[6] [6] Qin Yi, Fu Xiaoning, Huang Feng. Multi-circle fitting algorithms for laser spot location[J]. Journal of Xi′an University of Science and Technology, 2006, 26(12): 519-523. (in Chinese)

[7] [7] Wang Wei, Song Weiguo, Liu Shixing, et al. A cloud detection algorithm for MODIS images combining Kmeans clustering and Mult-spectral threshold method[J]. Spectroscopy and Spectral Analysis, 2011, 31(4): 1061-1064. (in Chinese)

[8] [8] Zhang Baohua, Huang Wenqian, Li Jiangbo, et al. Detection of slight bruises on apples based on Hyperspectral images and MNF transform[J]. Spectroscopy and Spectral Analysis, 2014, 34(5): 1367-1372. (in Chinese)

[9] [9] Zhang Changjiang, Fu Mengyin, Jin Mei, et al. Approach to enhance contrast of infrared image based on wavelet transformation[J]. Journal of Infrared and Millim Waves, 2004, 23(2): 120-124. (in Chinese)

[10] [10] Tian Haonan, Li Sumei. Objective evaluation method for image quality based on edge structure similarity[J]. Journal of Applied Optics, 2013, 42(1): 110-114. (in Chinese)

[11] [11] Li Shanshan, Zhang Bing, Gao Lianru, et al. Research of hyperspectral target detection algorithms based on variance Minimum[J]. Acta Optica Sinica, 2010, 30(7): 2116-2122. (in Chinese)

[12] [12] He Yuanxing, Li Xinyang. Far-field focal spot measurement based on diffraction grating[J]. Chinese Journal of Lasers, 2012, 39(2): 1-8. (in Chinese)