[1] MAO Bangfu. Design and Optimization of Autofocus System for Microscope [D]. Hangzhou: Zhejiang University, 2006: 11-56.
[3] Bravo-Zanoguera Miguel, Price Jeffrey H. Analog autofocus circuit design for scanning microscopy [J]. Proc. of SPIE (S0277-786X), 1997, 2982: 468-475.
[4] JIANG Zhiguo, HAN Dongbing, YUAN Tianyun, et al. Study on auto focusing algorithm for automatic microscope [J]. Journal of Image and Graphics, 2004, 9(4): 396-401.
[5] Choi K S. New Auto-focusing Technique Using the Frequency Selective Weighted Median Filter for Video-Cameras [J]. IEEE Transactions on Consumer Electronics(S0098-3063), 1999, 45(3): 820-826.
[6] Masaaki Murakami. Technology and Principle of Color TV [M]. Tainan: Zhengyan Press, 1973: 7-56.
[7] Groen Frans C A, Young Ian T, Ligthart Guido. A comparison of different focus functions for use in autofocus algorithms [J]. Cytometry(S0196-4763), 1985, 6(2): 81-91.
[8] Firestone Lawrence, Cook Kitty, Culp Kevin, et al. Comparison of autofocus methods for automated microscopy [J]. Cytometry, 1991, 12(3): 195-206.
[9] LIU Yipeng. Design and Application of Autofocus System for Microscope [D]. Hangzhou: Zhejiang University, 2005: 47-56.