Funding for this research was provided by:
National High-tech Research and Development Program (2012AA041601)
State Key Laboratory of Robotics and Systems, Harbin Institute of Technology (SKLRS201601C)
Heilongjiang Postdoctoral Scientific Research Foundation (LBH-Q17070, LBH-Q17068)
Article History
Received: 26 June 2019
Accepted: 18 September 2019
First Online: 23 November 2019
Compliance with Ethical Standards
:
: Author Yanwen Sun declares that he has no conflict of interest. Author Bo Pan declares that he has no conflict of interest. Author Shuizhong Zou declares that he has no conflict of interest. Author Yili Fu declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.