| Training Set: | MUL | WSN | MUL | ASN | ASN | MUL | WSN |
| Test Set: | MUL | WSN | WSN | WSN | ASN | ASN | ASN |
| Human Study | - | 76.8 | - | 66.7 | 71.7 | - | 67.2 |
| Forehead (F) | 62.5 | 71.7 | 64.2 | 45.0 | 62.9 | 60.8 | 48.8 |
| Eyes-Eyebrows (E) | 68.5 | 75.0 | 68.3 | 54.2 | 71.3 | 68.8 | 50.4 |
| Nose (N) | 72.1 | 81.7 | 80.0 | 46.7 | 63.8 | 64.2 | 60.8 |
| Mouth (M) | 89.4 | 95.4 | 94.6 | 68.3 | 84.2 | 84.2 | 78.8 |
| F-E | 78.1 | 78.8 | 76.3 | 54.2 | 80.0 | 80.0 | 58.8 |
| F-N | 81.9 | 84.6 | 87.1 | 57.1 | 75.8 | 76.7 | 61.3 |
| F-M | 91.0 | 92.5 | 95.4 | 64.6 | 88.3 | 86.7 | 76.3 |
| E-N | 80.2 | 81.7 | 82.9 | 54.6 | 80.4 | 77.5 | 55.8 |
| E-M | 94.4 | 98.3 | 95.8 | 72.5 | 94.6 | 92.9 | 82.5 |
| N-M | 92.1 | 94.6 | 94.6 | 68.3 | 86.3 | 89.6 | 81.7 |
| E-N-M | 95.0 | 98.8 | 95.4 | 72.1 | 95.0 | 94.6 | 85.0 |
| F-N-M | 93.8 | 95.0 | 96.8 | 62.9 | 88.3 | 91.7 | 75.4 |
| F-E-M | 93.8 | 96.3 | 93.8 | 69.2 | 93.8 | 93.8 | 81.3 |
| F-E-N | 83.8 | 87.9 | 85.8 | 57.9 | 84.6 | 81.7 | 62.9 |
| F-E-N-M | 95.2 | 97.5 | 96.8 | 69.2 | 94.6 | 94.6 | 84.2 |