Tree species classification using UAS-based digital aerial photogrammetry point clouds and multispectral imageries in subtropical natural forests. - Zhong Xu; Xin Shen 002; Lin Cao 001; Nicholas C. Coops; Tristan R. H. Goodbody; Tai Zhong; Weidong Zhao; Qinglei Sun; Sang Ba; Zhengnan Zhang; Xiangqian Wu (Int. J. Appl. Earth Obs. Geoinformation, 2020)