1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
2. School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
3. School of Environmental Science, Charles Sturt University, Albury, Australia
4. State Key Laboratory of Remote Sensing Sciences, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
5. University of Chinese Academy of Sciences (UCAS), Beijing, China