1. School of Geospatial Engineering and Science, Sun Yat-Sen University, Zhuhai 519082, China
2. State Key Laboratory of Remote Sensing Science, Beijing Engineering Research Center for Global Land Remote Sensing Products, Institute of Remote Sensing Science and Engineering, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
3. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
4. Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
5. Changjiang River Scientific Research Institute (CRSRI), Wuhan 430010China
6. Saihanba Mechanical Forest Farm, Chengde 068466China