Gaussian smoothing level | Face recognition accuracy (%) | |||
LIBSVM | PCA-LIBSVM | LDA-LIBSVM | iSVM | |
1 | 83.10 | 83.66 | 83.10 | 81.45 |
2 | 85.48 | 85.78 | 83.87 | 82.50 |
3 | 87.67 | 86.88 | 85.10 | 83.76 |
4 | 89.94 | 88.98 | 87.65 | 84.85 |