1. Chongqing Engineering Research Center for Remote Sensing Big Data Application, School of Geographical Sciences; Southwest University; Chongqing China
2. Key laboratory of watershed ecology and geographical environment monitoring; NASG; China
3. Key Laboratory of Virtual Geographic Environment (Ministry of Education); Nanjing Normal University; Nanjing China
4. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application; Nanjing Jiangsu China
5. Department of Land Surveying and Geo-Informatics; The Hong Kong Polytechnic University; Kowloon Hong Kong