5Hoover A. and Goldbaum M. Locating the optic nerve in a retinal im- age using the fuzzy convergence of the blood vessels [J ]. IEEE Transactions Medical Imaging, 2003,22 (8):951-958.
5Pizer S M,Ambtrrn E P.Adaptive histogram equalization and its variations[J].Computer Vision Graphics & hnage Processing, 1987, 39(3 ) : 355-368.
6Campbell F W, Robson J G. Application of Fourier analysis to the visibility of gratings [ J ]. The Journal of Physiology, 1968, 197 ( 3 ) : 551 - 566.
7Gabor I). Theory of communication [ J]. Journal of the Institute of Electrical Engineers, 1946, 93 (26) :429 2 457.
8Daugman J G. Complete discrete 2-D Gabor transforms by neural networks for image analysis and compression [ J ]. IEEE Transactions on Acoustics, Speech and Signal Processing. 1988, 36 (7): 1169 - 1179.
9Kamarainen J K. Feature Extraction Using Gabor Filters [ D ]. Finland : Lappeenranta University of Technology, 2003.
10Kyrki V, Kamarainen J K, Kalviainen H. Simple Gabor feature space for invariant object recognition [ J ]. Pattern Recognition Letters, 2004,25(3) :311 -318.
