1. Chinese Academy of Surveying and Mapping, Beijing, People's Republic of China
2. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology), Chengdu, Sichuan, People's Republic of China
3. College of Computer Science and Cyber Security, Chengdu University of Technology, Chengdu, Sichuan, People's Republic of China
4. Key Laboratory of Natural Disaster Monitoring, Early Warning and Assessment of Jiangxi Province (Jiangxi Normal University), Nanchang, Jiangxi, People's Republic of China
5. Shenzhen Sensing Data Technology Co., Ltd., Shenzhen, Guangdong, People's Republic of China