length of V for DWT | Size of image for FIS | Accuracy of recognition (DWT ) [21] | Accuracy of recognition (PCA + DWT) [22] [23] | Accuracy of recognition (FIS + DWT) [24] | Accuracy of recognition (FIS + PCA + DWT) |
4 | 8 × 8 | 0.814 | 0.872 | 0.886 | 0.891 |
6 | 16 × 16 | 0.835 | 0.897 | 0.902 | 0.933 |
8 | 32 × 32 | 0.844 | 0.942 | 0.939 | 0.947 |
10 | 64 × 64 | 0.863 | 0.951 | 0.944 | 0.958 |