荒漠地区植被信息无人机可见光遥感提取方法
马兵, 杨国靖, 昝国盛, 孙涛, 贾远信, 周立华

Vegetation extraction methods for desertified areas using unmanned aerial vehicle RGB imagery
Bing Ma, Guojing Yang, Guosheng Zan, Tao Sun, Yuanxin Jia, Lihua Zhou
表2 三种方法结果的总体精度和类别精度
Table 2 Overall accuracy and category accuracy of the three methods
样地方法总体精度kappa绿色植被非光合作用植被裸地
制图精度用户精度f1-score制图精度用户精度f1-score制图精度用户精度f1-score
1号样地联合阈值法0.830.740.960.570.710.770.820.790.850.990.92
随机森林法0.790.670.870.390.540.690.860.760.890.950.92
自动阈值法0.690.520.660.690.670.820.360.50.670.990.8
2号样地联合阈值法0.910.850.830.830.830.920.830.870.921.000.96
随机森林法0.850.760.850.810.830.860.750.800.850.950.90
自动阈值法0.810.680.950.650.770.860.660.750.750.980.85