About the Authors

Zhenlong Li

Affiliation NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America

Chaowei Yang

cyang3@gmu.edu

Affiliation NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America

Baoxuan Jin

Affiliations NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America, Yunnan Provincial Geomatics Center, Yunnan Bureau of Surveying, Mapping, and GeoInformation, Kunming,Yunnan, China

Manzhu Yu

Affiliation NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America

Kai Liu

Affiliation NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America

Min Sun

Affiliation NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America

Matthew Zhan

Affiliations NSF Spatiotemporal Innovation Center, George Mason University, Fairfax, VA, United States of America, Department of Computer Science, University of Texas—Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CY ZL BJ. Performed the experiments: ZL KL MY MZ. Analyzed the data: ZL CY BJ KL MY. Contributed reagents/materials/analysis tools: ZL CY BJ MS KL. Wrote the paper: ZL CY MY BJ.