1. School of Computer and Information Technology, Northeast Petroleum University, Daqing, China
2. Bohai-Rim Energy Research Institute, Northeast Petroleum University, Qinhuangdao, China
3. School of Electronics, Electrical Engineering and Computer Science, Queen’s University Belfast, Belfast, UK
4. School of Communication and Electronic Engineering, Qiqihaer University, Qiqihaer, China
5. State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing Normal University, Beijing, China
6. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China