[1] FONG D S,AIELLO L,GARDNER T W,et al.Retinopathy in diabetes［J］.Diabetes Care,2004,27(suppl 1): s84-s87.
[2] PAN Lin,WANG Zi-liang,YU Lun.Auto-focus emulation of fundus camera system［J］.Microcomputer Information,2009,25(10): 15-17.
[3] KROTKOV E.Focusing［J］.International Journal of Computer Vision,1988,1(3): 223-237.
[4] LIANG Min-hua,WU Zhi-yong,CHEN Tao.Auto-focusing adjustment of theodolites by largest the gradient method［J］.Optical and Precision Engineering,2009,17(12): 3016-3021.
[5] ZHANG Le,JIANG Wei,GAO Zan.Automatic focusing region selection algorithm based on first order of digital image［J］.Optical Technique.2008,2(3): 163-165.
[6] ZEIMER R,ZOU S,MEEDER T,et al.A fundus camera dedicated to the screening of diabetic retinopathy in the primary-care physician′s office［J］.Investigative Ophthalmology & Visual Science,2002,43(5): 1581-1587.
[7] PAN L,ZHOU T,ZHENG B,et al.Application of edge confidence detection in the auto-focus under fundus camera［C］.2010 Second WRI Global Congress on Intelligent Systems,2010: 399-402.
[8] MOSCARITOLO M,JAMPEL H,KNEZEVICH F,et al.An image based auto-focusing algorithm for digital fundus photography［J］.IEEE Transactions on Medical Imaging,2009,28(11): 1703-1707.
[9] MARRUGO A,MILLAN M,CRISTOBAL G,et al.No-reference quality metrics for eye fundus imaging［M］.Computer Analysis of Images and Patterns,Springer Berlin / Heidelberg,2011: 486-493.
[10] HUANG Lin.Realization and research on image processing technology for fundus camera［D］.Nan Jing: Nanjing University of Aeronautics and Astronautics,2009: 7-12.
[11] HUANG Yan.Near-infrared fundus camera design［D］.Nan Jing: Nanjing University of Science & Technology,2011: 13-19.
[12] WANG Huai-jun,TIAN Ye,FANG Zhi-liang.Research and optical system design of a pupilometer［J］.Acta Photonica Sinica,2008,37(08): 1622-1625.
[13] LI Ming-xi, MAO Han-ping.On the study of the near-infrared image de-noising method compares experiments［J］.Infrared Tehchnology,2007,29(11): 657-661.
[14] FU Na.Study on infrared image capturing,enhancement and segmentation processing［D］.Da Lian: Dalian University of Technology,2006: 26-52.
[15] KIM Y,LEE J,MORALES A W,et al.A video camera system with enhanced zoom tracking and auto white balance［J］.IEEE Transactions on Consumer Electronics,2002,48(3): 428-434.
[16] HAN Ke,ZHU Ziu-chang,FENG Quan.Research on auto-focusing approaches for different object distances［J］.Journal of Nanjing University of Posts and Telecommunication(Natural Science).2007,27(6): 44-48.
[18] ZHU K, JIANG W, WANG D, et al. An effective focusing algorithm based on non-uniform Sampling［C］. IEEE Workshop VLSI Design & Video Tech, 2005: 276-279.
[19] LI Qi.Studies on the theory and implementation method of digital autofocus technology［D］. Hang Zhou: Zhejiang University, 2004: 53-75.
[20] YIN Ai-jun,ZHANG Yan,YANG Bin,et al.Roberts focused evaluation method and its application in mutli-windows mode［J］.Journal of Chongqing University,2011,34(11): 25-30.
[21] JEON J,YOON I,KIM D, et al.Fully digital auto-focusing system with automatic focusing region selection and point spread function estimation［J］.IEEE Transactions on Consumer Electronics,2010,56(3): 1204-1210.
[22] WANG Y,JIANG W,ZHENG Y.Dynamic autofocusing region selection based on improved PSO［C］.2010 3rd International Congress on Image and Signal Processing,2010: 2760-2764.
[23] YAN C,SANG N,ZHANG T.Local entropy-based transition region extraction and thresholding［J］.Pattern Recognition Letters,2003,24(16): 2935-2941.
[24] WANG Jia-peng,WANG Shu-rong,SONG Ke-fei,et al.Image noise suppression and performance evaluation of ICCD［J］.Journal of Optoelectronics·Laser,2008,19(08): 1032-1034.
