Education B.S. degree in Mathematics from Sichuan normal university, Chengdu, in 1987 M.S. degree in Mathematics from Sichuan normal university, Chengdu, in 1990 Ph.D. degree in Electrical Engineering from Southeast university, Nanjing, in 1997 Work experience 1990-1993, lecture, the department of mathematics, Chuxiong normal university, Yunnan province, China 1997-1999, post doctoral fellow, the department of computer science, Fudan university, Shanghai, China 1999-2001, associate professor, the department of computer science and engineering, Shanghai Jiao Tong university, Shanghai, China 2001 to present, professor, the department of computer science and engineering, Shanghai Jiao Tong university, Shanghai, China 2001,2002,2004,2005, visiting scholar in City University of Hong Kong, the Hong Kong Polytechnic University, RIKEN (Japan) Awards and Honors Best paper award ACCV2009 New Century Excellent Talent Program, by Ministry of Education of China, 2005 Shanghai Shuguang (Dawn) Scholar, 2003 Excellent paper award for young researchers from Shanghai Science Association, 2003