1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, China
2. University of Chinese Academy of Sciences, Beijing, China
3. Department of Geosciences, Texas Tech University, Lubbock, USA
4. Department of Surveying and Mapping, Wuhan Resources and Planning Bureau, Wuhan, China
5. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China