1. Pyramid methods in image processing;Adelson;RCA Engineer,1984
2. ATT ORL Face Database, 1998. Available from: .
3. C. Papageorgiou, T. Evgeniou, T. Poggio, A trainable pedestrian detection system, in: International Conference on Image Processing, 1999, pp. 35–39.
4. Pattern Classification;Duda,2001
5. P. Felzenszwalb, D. Huttenlocher, Efficient matching of pictorial structures, in: IEEE Conference on Computer Vision and Pattern Recognition, 2000, pp. 66–73.