About the Authors

Yong Chen

ychencd@uestc.edu.cn

Affiliation School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China

Rong hua Zhang

Affiliation School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China

Lei Shang

Affiliation School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC RHZ LS. Performed the experiments: RHZ LS. Analyzed the data: RHZ LS. Contributed reagents/materials/analysis tools: RHZ LS. Contributed to the writing of the manuscript: YC RHZ LS. Designed the object detection method by VC software: RHZ LS.