无人机低空摄影测量在黄土滑坡调查评估中的应用
彭大雷, 许强*, 董秀军, 巨袁臻, 亓星, 陶叶青

Application of Unmanned Aerial Vehicles Low-altitude Photogrammetry in Investigation and Evaluation of Loess Landslide
Peng Dalei, Xu Qiang*, Dong Xiujun, Ju Yuanzhen, Qi Xing, Tao Yeqing
滑坡前后的正摄影像图对比图 (a)滑坡前正射影像图;(b)滑坡后正射影像图;(c)滑后全貌图