Multisource forest point cloud registration with semantic-guided keypoints and robust RANSAC mechanisms. - Wenxia Dai; Hongyang Kan; Renchun Tan; Bisheng Yang; Qingfeng Guan 001; Ningning Zhu; Wen Xiao; Zhen Dong 005 (Int. J. Appl. Earth Obs. Geoinformation, 2022)