About the Authors

Shibing Wang

Affiliations Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, 116024, China, School of Computer and Information Engineering, Fuyang Normal University, Fuyang, 236041, China

Xingyuan Wang

wangxy@dlut.edu.cn

Affiliation Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, 116024, China

Bo Han

Affiliation School of Computer and Information Engineering, Fuyang Normal University, Fuyang, 236041, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XW SW. Performed the experiments: SW BH. Analyzed the data: SW XW BH. Contributed reagents/materials/analysis tools: SW BH. Wrote the paper: SW.