| Method | Datasets | |||
| Yale | Face95 | IFD | ATT | |
| PCA | 92.4 | 82.7 | 89.9 | 95.7 |
| LDA | 96.2 | 92.6 | 93.4 | 96.2 |
| Gabor SVM | 96.2 | 90.2 | 92.3 | 96.6 |
| Proposed without clustering | 96.5 | 92.1 | 93.9 | 95.9 |
| Proposed with clustering | 98.2 | 94.5 | 96.1 | 97.6 |