1. Center for Auto-Body Manufacturing Technology, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 200030, P.R. China
2. State Key Laboratory of CAD & CG, Zhejiang University, Shangai, 2003, P.R. China
3. Center for Auto-Body Manufacturing Technology, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 20030, P.R. China
4. Insititute for Modern Design Theory, School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, 200030, P.R. China