Table 1 Performance comparison of models for TLI retrieval based on S2, GF-1, HJ-2, and PS datasets
Sensor | Model | Training set | Test set | Time (s) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
NRMSE | Bias | UMAP | R | NRMSE | Bias | UMAP | R | |||
S2 | CBR | 0.12 | 0.01 | 0.05 | 0.90 | 0.14 | 0.15 | 0.05 | 0.80 | 1.40 |
XGBR | 0.06 | 0.00 | 0.02 | 0.97 | 0.15 | 0.10 | 0.06 | 0.74 | 0.12 | |
LR | 0.19 | 0.00 | 0.08 | 0.64 | 0.19 | 0.33 | 0.08 | 0.63 | 0.02 | |
TPFNR | 0.12 | 0.09 | 0.05 | 0.89 | 0.16 | 0.26 | 0.06 | 0.81 | 68.51 | |
GF-1 | CBR | 0.09 | −0.06 | 0.03 | 0.96 | 0.13 | −0.80 | 0.04 | 0.94 | 0.97 |
XGBR | 0.03 | 0.00 | 0.01 | 1.00 | 0.12 | −0.11 | 0.04 | 0.91 | 0.09 | |
LR | 0.17 | 0.00 | 0.05 | 0.83 | 0.21 | −0.77 | 0.06 | 0.81 | 0.02 | |
TPFNR | 0.13 | −0.04 | 0.03 | 0.91 | 0.13 | 0.15 | 0.04 | 0.89 | 30.12 | |
HJ-2 | CBR | 0.09 | 0.01 | 0.03 | 0.95 | 0.16 | 0.18 | 0.05 | 0.83 | 1.08 |
XGBR | 0.02 | 0.00 | 0.01 | 1.00 | 0.16 | 0.66 | 0.04 | 0.84 | 0.12 | |
LR | 0.19 | 0.00 | 0.07 | 0.67 | 0.23 | -0.58 | 0.08 | 0.63 | 0.01 | |
TPFNR | 0.13 | 0.05 | 0.05 | 0.88 | 0.17 | 0.08 | 0.06 | 0.80 | 20.71 | |
PS | CBR | 0.12 | 0.04 | 0.03 | 0.91 | 0.19 | −0.09 | 0.04 | 0.64 | 0.84 |
XGBR | 0.08 | 0.00 | 0.02 | 0.97 | 0.21 | −0.10 | 0.05 | 0.62 | 0.06 | |
LR | 0.18 | 0.00 | 0.04 | 0.48 | 0.24 | -0.09 | 0.04 | 0.47 | 0.01 | |
TPFNR | 0.20 | −0.01 | 0.05 | 0.62 | 0.24 | 0.11 | 0.03 | 0.50 | 17.36 | |