About the Authors

Fei Liu

Roles Conceptualization, Data curation

Affiliation School of Computer Science and Engineering, Hunan University of Information Technology, Changsha, Hunan, China

Zhili Liu

Roles Conceptualization, Data curation

Affiliation School of Information and Mechatronic Engineering, Hunan International Economics University, Changsha, Hunan, China

Hua Zhou

Roles Conceptualization, Data curation, Writing – original draft, Writing – review & editing

zhouhuaedu@163.com

Affiliation School of Computer Science and Engineering, Hunan University of Information Technology, Changsha, Hunan, China

Competing Interests

The authors have declared that no competing interests exist.