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

表2 定量方法分析结果

Tab.2 Results ontained using the quantitative analysis metric(%)

方法 s1 s2 s3 Com Cor Qua Com Cor Qua Com Cor Qua MDRO 90 81.6 71.2 90.8 68.5 64.1 87.2 49.8 46.4 MDRO+GFS 83.6 100 83.6 89.8 100 89.7 86 99.5 85.7 RGA(生长阈值50) 54.6 98.8 54.2 74.5 100 74.5 65.6 100 65.6 RGA(生长阈值130) 提取失败 100 71.7 71.7 100 64.3 64.3 本文方法 99.1 96.9 96 97.7 95.5 93.3 99.4 98 97.5 方法 s4 s5 s6 Com Cor Qua Com Cor Qua Com Cor Qua MDRO 91.2 56.5 53.6 95.5 3.3 3.3 97 6 6 MDRO+GFS 87.2 100 87.2 82.4 96.4 80 94.1 99.4 93.6 RGA(生长阈值50) 44.1 100 44.1 79.6 100 79.6 77.8 100 77.8 RGA(生长阈值130) 提取失败 96.7 59 57.8 提取失败 本文方法 96.8 95.3 92.4 98.3 95.2 93.7 99.3 99.1 98.4