| Clustering parameters | Datasets | |||
| Yale | Face95 | IFD | ATT | |
| s = 20 and r = 5 | 94.7 | 91.5 | 90.3 | 91.6 |
| s = 30 and r = 10 | 96.1 | 93.0 | 91.0 | 93.1 |
| s = 40 and r = 20 | 96.3 | 95.9 | 94.5 | 92.8 |
| s = 50 and r = 30 | 97.4 | 95.7 | 96.7 | 98.0 |
| s = 60 and r = 40 | 93.1 | 92.1 | 93.1 | 95.2 |