About the Authors

Hang-jun Wang

hangjunw@mail.ustc.edu.cn

Affiliations College of Tianmu, Zhejiang A&F University, Lin'an, China, Hefei Institute of Intelligent Machines, Chinese Academy of Science, Hefei, China, Department of Automation, University of Science and Technology of China, Hefei, China

Guang-qun Zhang

Affiliation School of Information and Technology, Zhejiang A&F University, Lin'an, China

Heng-nian Qi

Affiliation School of Information and Technology, Zhejiang A&F University, Lin'an, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HJW. Performed the experiments: HJW. Analyzed the data: HJW. Contributed reagents/materials/analysis tools: HJW HNQ. Wrote the paper: HJW GQZ HNQ.