About the Authors

Shaoming Pan

Affiliations State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, Hubei, China, Collaborative Innovation Center for Geospatial Technology, Wuhan, Hubei, China

Yongkai Li

Affiliation Computer School of Wuhan University, Wuhan, Hubei, China

Zhengquan Xu

xuzq@whu.edu.cn

Affiliations State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, Hubei, China, Collaborative Innovation Center for Geospatial Technology, Wuhan, Hubei, China

Yanwen Chong

Affiliation State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, Hubei, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMP ZQX YKL. Performed the experiments: SMP. Analyzed the data: SMP ZQX. Wrote the paper: SMP YKL ZQX YWC.