1. School of Geography and Environment Jiangxi Normal University Nanchang China
2. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing Wuhan University Wuhan China
3. Guangzhou Institute of Geography Guangzhou China
4. Collaborative Innovation Center of Geospatial Technology Wuhan China
5. Key Laboratory of Aerospace Information Security and Trusted Computing of Ministry of Education Wuhan China
6. School of Remote Sensing and Information Engineering Wuhan University Wuhan China
7. School of Software Jiangxi Normal University Nanchang China