1. Beijing Key Laboratory of Precision Forestry, College of Forestry, Beijing Forestry University, Beijing 100083, China
2. Key Laboratory of Forest Cultivation and Protection, Ministry of Education, Beijing Forestry University, Beijing 100083, China
3. National Engineering Laboratory for Satellite Remote Sensing Applications, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
4. Institute of Geographical Sciences, Henan Academy of Sciences, Zhengzhou 450052, China
5. Key Laboratory of Remote Sensing and Geographic Information Systems in Henan Province, Zhengzhou 450052, China
6. Henan Provincial Forestry Ecological Construction and Development Center, Zhengzhou 450003, China