Funding for this research was provided by:
2019 Tianjin New Generation Artificial Intelligence Major Program
2018 Tianjin New Generation Artificial Intelligence Major Program (18ZXZNGX00150)
Open Project Program of the State Key Lab of CAD & CG, Zhejiang University (A2005)
Open Project Program of the State Key Lab of CAD & CG, Zhejiang University (A2012)
National Nature Science Foundation of China (61902277)
National Nature Science Foundation of China (61772359)
National Nature Science Foundation of China (61872267)
National Nature Science Foundation of China (61702471)
Elite Scholar Program of Tianjin University (2019XRX-0035)
Article History
Received: 30 December 2019
Revised: 20 March 2020
Accepted: 22 April 2020
First Online: 10 May 2020