1. School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K.
2. College of Civil and Transportation Engineering, Guangdong Key Laboratory of Urban Informatics, Shenzhen Key Laboratory of Spatial Smart Sensing and Services, MNR Key Laboratory for Geo- Environmental Monitoring of Great Bay Area, and Guangdong Laboratory of Artificial Intelligence and Digital Economy, Shenzhen University, Shenzhen, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping, and Remote Sensing, Wuhan University, Wuhan, China
4. Department of Urban Informatics, Shenzhen University, Shenzhen, China