State Key Lab of CAD & CG Zhejiang University Hangzhou 310058 China;
Zhejiang Lab Hangzhou 311100 China;
Department of Computer Science and Engineering Arizona State University Tempe 85281 USA;
Intelligent Big Data Visualisation Lab Tongji University Shanghai 200082 China;
School of Information Engineering Zhengzhou University Zhengzhou 450001 China;
Henan Institute of Advanced Technology Zhengzhou University Zhengzhou 450001 China;