| Database | Case 1 | Case 2 | Case 3 |
| PHU5-1 | 0.71 | 0.65 | 0.62 |
| PHU5-2 | 0.63 | 0.77 | 0.72 |
| PHU5-3 | 0.79 | 0.82 | 0.83 |
| PHU6-1 | 0.77 | 0.75 | 0.79 |
| PHU6-2 | 0.45 | 0.57 | 0.64 |
| PHU6-3 | 0.83 | 0.78 | 0.79 |
| PHU7-1 | 0.75 | 0.61 | 0.49 |
| PHU7-2 | 0.62 | 0.67 | 0.39 |
| PHU7-3 | 0.58 | 0.49 | 0.45 |
| PHU8-1 | 0.77 | 0.75 | 0.73 |
| PHU8-2 | 0.69 | 0.74 | 0.62 |
| PHU8-3 | 0.44 | 0.51 | 0.59 |