Institution: | 1. Research Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Yiheyuanhou, 100091 Beijing, China;2. College of Forestry, Southwest Forestry University, Baiyunsi Street 300, 650224 Kunming, China;3. Key Laboratory of Spatial Data Mining & Information Sharing of Ministry Education, Fuzhou University, Gongye Road 523, 350002 Fuzhou, China |