Research Article
Multifeature Extreme Ordinal Ranking Machine for Facial Age Estimation
Table 7
Comparison of different dimensions’ impacts.
| Dimensions (after PCA dimension reduction) | MAE | Runtime(s) |
| 20 (Shape 10 + Texture 10) | 5.59 | 232.5 | 40 (20 + 20) | 4.86 | 235.7 | 60 (30 + 30) | 4.85 | 240.2 | 100 (50 + 50) | 4.83 | 247.2 | 120 (60 + 60) | 4.79 | 250.3 | 140 (70 + 70) | 4.78 | 260.2 | 160 (80 + 80) | 4.85 | 264.4 | 200 (100 + 100) | 4.88 | 278.0 |
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