Xiaopeng Zhang received the B.S. degree and M.S. degree in Mathematics from Northwest University, Xi'an，China.in 1984 and 1987 respectively, and the PhD degree in Computer Science from Institute of Software Chinese Academy of Sciences. Beijing, China in 1999. He is currently a Professor with the State Key Laboratory of Multimodal Artificial Intelligence Systems, Institute of Automation. Chinese Academy of Sciences，Beijing, China. His main research interests are computer graphics and computer vision.