1. Categorical Data Analysis (Wiley Series in Probability and Statistics);Agresti,2002
2. Generalizing the Hough transform to detect arbitrary shapes;Ballard;Pattern Recognition,1981
3. Boles, W., 1997. A security system based on human iris identification using wavelet transform. In: KES’97: Proc. First Internat. Conf. on Knowledge-Based Intelligent Electronic Systems, vol. 2, pp. 533–541.
4. A human identification technique using images of the iris and wavelet transform;Boles;IEEE Trans. Signal Process.,1998
5. A computational approach to edge detection;Canny;IEEE Trans. Pattern Anal. Machine Intell. PAMI-8,1986