A multi-feature clustering-based hierarchical filtering method for airborne LiDAR point clouds in complex landscapes
GUO Jiaojiao, CHEN Chuanfa, YAO Xi, LIU Yan, LIU Yating, LIU Panpan
Acta Geodaetica et Cartographica Sinica . 2023, (10): 1724 -1737 .  DOI: 10.11947/j.AGCS.2023.20220371