基于Sentinel-1双极化数据改进水体提取的Otsu算法
冯崎,王琦,黄海兰,王征强

Improved Otsu Algorithm for Water Extraction based on Sentinel-1 Dual-polarization Data
Qi Feng,Qi Wang,Hailan Huang,Zhengqiang Wang
图3 样区4 VV、VH和双极化运算图像及直方图
Fig.3 The histograms and images of VV、VH and Dual-polarization operation of sample area 4