[1] Yu Qifeng, Shang Yang. Videometrics: Principles and Researches[M]. Beijing: Science Press, 2009. 195~222
[2] Bao Getang. Research on Fast Auto Focusing Technology in Vision Inspection System[D]. Shanghai: Shanghai Jiaotong University, 2005. 3~10
[3] Subbarao M., Tyan Jenn-Kwei. Selection the optimal focus measure for autofocusing and depth-from-focus[J]. IEEE Trans. on Pattern Analysis and Machine Intelligence, 1998, 20(8): 864~870
[4] Xing Changyin. Video Auto Dimming and Focusing Based on The Image Information[D]. Changchun: Changchun University of Science and Technology, 2007. 35~40
[5] Qu Yufu. Study of Visual Aiming Gauge Head[D] . Haerbin: Haerbin Institute of Technology, 2001. 33~36
[6] He Jie, Zhen Zhourong, Liang Hongzhi. Modified fast climbing search auto-focus algorithm with adaptive step size searching technique for digital camera[J]. IEEE Trans. on Consumer Electronics, 2003, 49(2): 257~262
[7] Yang Zaihua, Li Yuhe, Li Qingxiang et al.. Visual feedback autofocusing method combining fine and rough adjustment[J]. Computer Engineering and Design, 2005, 26(9): 2271~2273
[8] Comaniciu D., Rarnesh V., Meet P. Kernel-based object tracking[J]. IEEE Trans. on Pattern Analysis and Machine Intelligence, 2003, 25(5): 564~575
[9] Y. Cheng. Mean shift, mode seeking, and clustering[J]. IEEE Trans. on Pattern Analysis and Maching Intelligence, 1995, 7(8): 790~799