About the Authors

Xiangxiang Zeng

Affiliation School of Information Science and Engineering, Xiamen University, Xiamen, China

Wei Lin

Affiliation School of Information Science and Engineering, Xiamen University, Xiamen, China

Maozu Guo

Affiliation School of Electrical and Information Engineering, Beijing University of Civil Engineering and Architecture, Beijing, China

Quan Zou

zouquan@tju.edu.cn

Affiliation School of Computer Science and Technology, Tianjin University, Tianjin, China

Competing Interests

The authors have declared that no competing interests exist.