中文摘要：

CAO Lijun, is a Ph.D. candidate in the area of pattern recognition and intelligent system, and an Engineer at the National Laboratory of Pattern Recognition （NLPR）, Institute of Automation, Chinese Academy of Sciences （CASIA）, China. He received the M.S. degree in photogrammetry and remote sensing from Beijing University of Aeronautics and Astronautics, China in 2010. His current research interests include pedestrian detection and tracking, motion analysis and their application in real scenes. Email： Ijcao@ nlpr.la.ac.cn HUANG Koiqi, is a Professor at the National Labo- ratory of Pattern Recognition （NLPR）, Institute of Automation, Chinese Academy of Sciences （CASIA）, China. He received the M.S. degree in electrical en- gineering from Nanjing University of Science and Technology, China, and the Ph.D. degree in signal and information processing from Southeast University, China. He is a Senior Member of the [EEE. His current research interests include visual surveillance, digital image processing, pattern recognition and biological based vision. Email： kqhuang@nlpr.ia.ac.cn