1. College of Information Science and Engineering, Xinjiang University, Ürümqi, China
2. College of Geography and Remote Sensing Science, Xinjiang University, Ürümqi, China
3. Department of Electronic Engineering, Tsinghua University, Beijing, China
4. College of System Engineering, National University of Defense Technology, Changsha, China
5. Sino-Belgian Joint Laboratory for Geo-Information and the Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi, China
6. School of Resources and Environmental Sciences, Xinjiang University, Ürümqi, China
7. Center for Machine Vision and Signal Analysis, University of Oulu, Oulu, Finland
8. Department of Applied Ecology, Saint Petersburg State University, Saint Petersburg, Russia