结合笔画宽度变换与几何特征集的高分一号遥感图像河流提取

张祝鸿, 王保云, 孙玉梅, 李才东, 孙显辰, 张玲莉

River extraction from GF-1 satellite images combining stroke width transform and a geometric feature set

Zhuhong ZHANG, Baoyun WANG, Yumei SUN, Caidong LI, Xianchen SUN, Lingli ZHANG

图4 SWT算法步骤示意图

Fig.4 Illustration of algorithm step to SWT