Institution: | 1. State Key Laboratory of CAD & CG,Zhefiang University,Hangzhou 310027,China;College of Science,Zhefiang University of Technology,Hangzhou 310032,China 2. State Key Laboratory of CAD & CG,Zhefiang University,Hangzhou 310027,China 3. State Key Laboratory of CAD & CG,Zhefiang University,Hangzhou 310027,China;Information Science & Engineering School,Hangzhou Normal University,Hangzhou 310036,China |