About the Authors

Junping Li

Roles Methodology, Software, Writing – original draft

Affiliation Department of Computer Science, School of Computer Science and Technology, Xidian University, Xi’an, Shaanxi, China

Lin Gao

Roles Methodology, Writing – review & editing

lgao@mail.xidian.edu.cn

Affiliation Department of Computer Science, School of Computer Science and Technology, Xidian University, Xi’an, Shaanxi, China

Yusen Ye

Roles Methodology, Writing – review & editing

Affiliation Department of Computer Science, School of Computer Science and Technology, Xidian University, Xi’an, Shaanxi, China

Competing Interests

The authors have declared that no competing interests exist.