Table 4 Comparison of height partition model and combination model.
Method | Num | Administrative level | Number of building height labels used | MAE | RMSE | R2 |
|---|---|---|---|---|---|---|
Partition model | A | Non-urban areas | 3.2E5 | 2.5 | 5.6 | 0.84 |
B | County-level cities | 6.8E5 | 2.4 | 5.3 | 0.81 | |
C | Prefecture-level cities | 3E6 | 3.3 | 6.5 | 0.74 | |
D | Provincial capitals | 3.4E6 | 3.9 | 7.7 | 0.71 | |
E | Municipalities | 1.4E6 | 3.6 | 7.9 | 0.68 | |
Combination model | All data | 8.8E6 | 3.8 | 7.6 | 0.71 | |
