| Gaussian smoothing level | Face recognition accuracy (%) | ||||
| PCA | batch_ccipca | ind_ccipca | ICA | LDA | |
| 1 | 80.65 | 81.45 | 69.35 | 80.64 | 75.0 |
| 2 | 83.45 | 83.10 | 72.77 | 81.45 | 79.64 |
| 3 | 85.45 | 83.89 | 75.87 | 84.45 | 83.80 |
| 4 | 89.87 | 84.95 | 78.93 | 87.98 | 87.89 |