About the Authors

Yanzhu Hu

Affiliation Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications, Beijing, 100876, China

Huiyang Zhao

zhyjky@163.com

Affiliations Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications, Beijing, 100876, China, School of Information Engineering, Xuchang University, Xuchang, 461000, China

Xinbo Ai

Affiliation Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications, Beijing, 100876, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HZ YH XA. Data curation: HZ. Formal analysis: HZ. Funding acquisition: XA YH. Investigation: HZ. Methodology: HZ YH XA. Project administration: YH. Resources: HZ YH XA. Software: HZ. Supervision: YH XA. Validation: HZ. Visualization: HZ YH XA. Writing – original draft: HZ. Writing – review & editing: HZ YH XA.