Ground point extraction and DEM generation of traditional village landing surface points based on dense matching point cloud of UAV image: taking Dehang village in western Hunan as an example
FU Xiangxiang, DENG Yunyuan, ZHENG Wenwu, ZHOU Shaoning, ZHOU Jialu
Bulletin of Surveying and Mapping . 2021, (12): 1 -5 .  DOI: 10.13474/j.cnki.11-2246.2021.362