基于不同分辨率遥感影像自动提取切沟的精度分析和转换模型
张琪,张光辉,张岩,王佳希,余双武

Accuracy Analysis and Conversion Model of Gully Automatic Extraction based on Remote Sensing Images with Different Resolutions
Qi Zhang,Guanhui Zhang,Yan Zhang,Jiaxi Wang,Shuangwu Yu
表2 Google影像和GF-1影像分割精度评价
Table 2 Segmentation accuracy evaluation of Google image and GF-1 image
影像数据尺度形状紧致度过分割欠分割欧氏距离
Google3900.20.70.1250.1020.114
3730.30.80.1190.0800.102
4390.40.80.1490.0810.120
3830.30.90.1160.0970.107
3980.40.70.1090.1080.109

GF-1

(2 m)

1060.10.90.1660.1180.144
870.20.80.1430.1350.139
840.30.70.1500.1150.134
950.20.90.1570.1200.140
860.30.80.1730.1260.151
940.30.90.1620.1130.140
810.40.80.1520.1230.138

GF-1

(8 m)

210.20.50.2120.1890.201
200.20.60.1820.1630.173
240.30.60.1850.1700.178
170.30.70.1960.1750.186
210.40.80.2030.1820.193