有云Landsat TM/OLI影像结合DEM提取青藏高原湖泊边界的自动算法研究
王鑫蕊,晋锐,林剑,曾祥飞,赵泽斌

Automatic Algorithm for Extracting Lake Boundaries in Qinghai-Tibet Plateau based on Cloudy Landsat TM/OLI Image and DEM
Xinrui Wang,Rui Jin,Jian Lin,Xiangfei Zeng,Zebin Zhao
图4 DEM极差滤波示意图(单位:m)
Fig.4 Diagram of range filtering of DEM (Units: m)