Table 3 Recognition rate of each algorithm in Yale face database
| Â | Happy (%) | Sad (%) | Surprised (%) | Neutral (%) | Average recognition rate (%) |
|---|---|---|---|---|---|
LBP-PCA | 76.82 | 80.16 | 78.06 | 80.15 | 78.58 |
LBP-2DLDA | 79.97 | 81.07 | 79.17 | 80.93 | 79.07 |
Research algorithm | 81.35 | 82.04 | 81.58 | 82.65 | 80.79 |