中文摘要：

E-mail： bsheng@cse.cuhk.edu.hk; Bin Sheng graduated from Huazhong University of Science and Technology in 2004, with a B.A. degree in English and a B.S. degree in computer science. He obtained his Master＇s degree from University of Macau, and is now pursuing his Ph.D. degree in computer science at the Chinese University of Hong Kong. His research interests include image-based modeling and rendering, mesh processing, sketch-based modeling, hardware accelerated rendering and natural appearance modeling. E-mail： ya87407@umac.mo; Jian Zhu is now a Ph.D. candidate at University of Macau. He received his B.S. degree in 2005 from Sun Yat-Sen University, and his M.Sc. degree from University of Macau. His research interests include image-based rendering and image processing. E-mail： ehwu@umac.mo; En-Hua Wu graduated from Tsinghua University in 1970 with his Bachelor＇s degree, and he received his Ph.D. degree （CS） from University of Manchester, UK, in 1984. Since 1985, he has been researching at Institute of Software, Chinese Academy of Sciences, and currently serves as the director of the CG group in the State Key Lab of Computer Science. He is also a professor in University of Macau since 1997. His research interests include computer graphics, computer-aided design, virtual reality and graphic hardware techniques. He has published papers in various journals and conferences including two SIGGRAPH papers. He is a member of CCF, IEEE and ACM. E-mail： zhang@ifi.unizh.ch; Yan-Ci Zhang is now a posterdoctoral researcher at University of Zurich, Switzerland. He received his Ph.D. degree from Institute of Software, Chinese Academy of Sciences, in 2002. His research interests are image-based rendering and pointbased rendering.