Ground error analysis of DTM extracted by airborne LiDAR in subtropical forest
WU Xiaotian, LI Huizhu, RUAN Fang, FENG Haoning, CHEN Mingqiang, WANG Changwei, WANG Bin
Bulletin of Surveying and Mapping . 2021, (11): 101 -105 .  DOI: 10.13474/j.cnki.11-2246.2021.347