Table 3 Recognition rates (%) for person-independent facial expression recognition. The best recognition rates are highlighted in bold
From: Non-frontal facial expression recognition based on salient facial patches
Head pose | HOG | LBP | Gabor |
|---|---|---|---|
90° | 81.67 | 81.67 | 81.25 |
45° | 95.00 | 91.25 | 92.50 |
0° | 97.92 | 98.75 | 98.75 |
− 45° | 88.33 | 89.17 | 92.08 |
− 90° | 82.50 | 86.25 | 87.08 |