基于客观阈值与随机森林Gini指标的水体遥感指数对比
王一帆,徐涵秋

Comparison of Remote Sensing Water Indices based on Objective Threshold Value and the Random Forest Gini Coefficient
Yifan Wang,Hanqiu Xu
表4 实验区各水体指数提取精度(0阈值)
Table 4 Accuracy assessment for water feature extraction by the three indices using 0 threshold in test areas
精度AWEIMNDWIWI2015
福州L8漏判率/%20.4315.5916.13
误判率/%3.905.454.88
总精度/%90.5091.7991.79
Kappa0.7970.826 20.825 9
福州S2A漏判率/%6.456.453.76
误判率/%20.5516.3520.09
总精度%87.6990.0688.77
Kappa0.7510.7970.774
弗伦奇岛L8漏判率/%14.069.068.75
误判率/%1.433.003.31
总精度/%91.0193.0393.03
Kappa0.8190.858 10.857 9
弗伦奇岛S2A漏判率/%16.4111.157.74
误判率/%2.533.694.18
总精度/%89.0591.4293.07
Kappa0.7810.8260.858
尼玛县L8漏判率/%18.6316.1817.65
误判率/%2.923.3912.04
总精度/%92.1092.8389.15
Kappa0.8260.8430.766
均值漏判率/%15.2011.6910.81
误判率/%6.276.388.90
总精度/%90.0791.8391.16
Kappa0.7950.8300.816