3C Wren, A Azarbayejani, T Darrell, A Pentland. Pfinder: Real-time Tracking of the Human Body. IEEE Trans. PAMI, 1997,19(7):780～785
4T Olson, F Brill. Moving Object Detection and Event Recognition Algorithms for Smart Cameras. Proc. DARPA Image Understanding Workshop, May 1997
5I Haritaoglu, D Harwood, L S Davis. W4: Rea-Time Surveillance of People and Their Activities. IEEE Trans. PAMI, 2000,22(8):809～830
6C Stauffer, W E L Grimson. Learning Patterns of Activity Using Real-Time Tracking. IEEE Trans. PAMI, 2000,22(8):747～757
7R T Collins, A J Lipton, T Kanade. A System for Video Surveillance and Monitoring. Proc. Am. Nuclear Soc.(ANS) Eighth Int'l Topical Meeting Robotic and Remote Systems, Apr. 1999
8C Anderson, P Burt, G Can der Wal. Change Detection and Tracking Using Pyramid Transformatin techniques. Proc. SPIE-Intelligent Robots and Computer Vision, 1985,(579):72～78
9J Barron, D Fleet, S Beauchemin. Performance of Optical Flow Techniques", International Journal of Computer Vision, 1994,12(1):42～77
10A M Tekalp. Digital Video Processing. Rochester, NY, 1995
