| 方法 | 精度 | Kappa |
| NDWI | 93% | 0.793 |
| MNDWI | 95% | 0.857 |
| EWI | 92% | 0.781 |
| RNDWI | 91% | 0.757 |
| AWEI | 89% | 0.663 |
| 面向对象 | 93% | 0.806 |
| SVM | 94% | 0.831 |
| NN | 92% | 0.781 |