Research Article
Multifeature Extreme Ordinal Ranking Machine for Facial Age Estimation
Table 6
Comparison of different numbers of feature models.
| | Feature models | MAE | Runtime(s) |
| | Single-feature | | | | AAM | 4.83 | 247.2 | | LBP | 7.56 | 269.7 | | BIF | 5.92 | 245.4 |
| | Two-feature | | | | AAM + BIF | 4.74 | 276.9 | | LBP + BIF | 5.56 | 271.7 | | AAM + LBP | 4.59 | 272.7 |
| | Multifeature (three-feature) | | | | AAM + LBP + BIF | 4.50 | 320.6 |
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