基于Landsat8 OLI影像干旱区绿洲土壤含盐量反演
黄晓宇, 王雪梅, 卡吾恰提·白山
Inversion of soil salinity of an oasis in an arid area based on Landsat8 OLI images
HUANG Xiaoyu, WANG Xuemei, KAWUQIATI Baishan
表5
反演模型的精度对比
Tab.5
Accuracy comparison of inversion models
建模方法
训练集
验证集
R
2
RMSE
/
(g·kg
-1
)
RPD
R
2
RMSE
/
(g·kg
-1
)
RPD
MLR
0.480
3.098
1.397
0.599
2.608
1.607
PLSR
0.474
3.114
1.390
0.721
2.512
1.669
SVMR
0.575
2.801
1.545
0.594
2.624
1.598
RFR
0.870
1.550
2.792
0.766
1.991
2.105