computer animation Y.GUO ET AL virtual worlds ·ee0eee0。◆00 .....◆e·0e0◆◆e。。0。e。eee。。0.0。eee。0。e。e0·●ee。e。◆。e Chinese University of Hong Kong.She received her Ph.D.in Computer Science from University of Alberta, Canada.Her current research interests include virtual augmented reality,hypermedia,computer-assisted surgery,etc. Chunxiao Liu born in 1979,Ph.D.candidate at the State Key Lab.of CAD&CG,Zhejiang University.His research interests include image and video completion,image and video-based rendering,and virtual reality. Qunsheng Peng received his Ph.D.from University of East Anglia in 1983 and is currently a Pro- fessor at the State Key Lab.of CAD&CG,Zhe- jiang University.His research interests include vir- tual reality,realistic image synthesis,infrared image synthesis,computer animation,and scientific data Hangiu Sun is now an Associate Professor of visualization. Department of Computer Science Engineering,The Copyright 2007 John Wiley Sons,Ltd. 492 Comp.Anim.Virtual Worlds 2007;18:483-492 DoL:10.1002/cavY. GUO ET AL. ........................................................................................... Chunxiao Liu born in 1979, Ph.D. candidate at the State Key Lab. of CAD&CG, Zhejiang University. His research interests include image and video completion, image and video-based rendering, and virtual reality. Hanqiu Sun is now an Associate Professor of Department of Computer Science & Engineering, The Chinese University of Hong Kong. She received her Ph.D. in Computer Science from University of Alberta, Canada. Her current research interests include virtual & augmented reality, hypermedia, computer-assisted surgery, etc. Qunsheng Peng received his Ph.D. from University of East Anglia in 1983 and is currently a Pro￾fessor at the State Key Lab. of CAD&CG, Zhe￾jiang University. His research interests include vir￾tual reality, realistic image synthesis, infrared image synthesis, computer animation, and scientific data visualization. ............................................................................................ Copyright © 2007 John Wiley & Sons, Ltd. 492 Comp. Anim. Virtual Worlds 2007; 18: 483–492 DOI: 10.1002/cav