一种综合DEM和遥感影像提取洪积扇的方法
梁凯旋, 章桂芳, 张浩然

A method for extracting alluvial fan based on DEM and remote sensing data
Kaixuan LIANG, Guifang ZHANG, Haoran ZHANG
图5 侧面边缘点的提取
Fig.5 Extraction of fanside edge points