Table 4.
Description of the training and testing sub-databases and the corresponding augmented databases for our experiments.
| Database | Males | Females | Total | ||
|---|---|---|---|---|---|
| Augmented database | Learning database | Number of persons | 204 (persons) | 127 (persons) | 331 (persons) |
| Number of images | 73,440 (204 × 20 × 18 images) | 76,200 (127 × 20 × 30 images) | 149,640 (images) | ||
| Testing database | Number of persons | 50 (persons) | 31 (persons) | 81 (persons) | |
| Number of images | 18,000 (50 × 20 × 18 images) | 18,600 (31 × 20 × 30 images) | 36,600 (images) | ||