Application of UAV photogrammetry technology in the emergency rescue of catastrophic geohazards
GUO Chen, XU Qiang, DONG Xiujun, JU Yuanzhen, NING Hao
Bulletin of Surveying and Mapping . 2020, (10): 6 -11,73 .  DOI: 10.13474/j.cnki.11-2246.2020.0309