From: Iris Recognition: The Consequences of Image Compression
EER (%) | |||||
---|---|---|---|---|---|
Original | Cr25 | Cr50 | Cr75 | Cr100 | |
Original | 1.350 | 1.470 | 1.540 | 2.020 | 2.500 |
Cr25 | 1.730 | 1.770 | 2.280 | 2.800 | |
Cr50 | 2.010 | 2.420 | 3.000 | ||
Cr75 | 3.010 | 3.350 | |||
Cr100 | 4.450 | ||||
Best Accuracy (%) | |||||
Original | Cr25 | Cr50 | Cr75 | Cr100 | |
Original | 99.969 | 99.961 | 99.950 | 99.931 | 99.917 |
Cr25 | 99.952 | 99.940 | 99.920 | 99.904 | |
Cr50 | 99.931 | 99.909 | 99.895 | ||
Cr75 | 99.897 | 99.885 | |||
Cr100 | 99.867 | ||||
FRR at FAR = 0.001 | |||||
Original | Cr25 | Cr50 | Cr75 | Cr100 | |
Original | 0.022 | 0.024 | 0.028 | 0.042 | 0.057 |
Cr25 | 0.030 | 0.035 | 0.049 | 0.067 | |
Cr50 | 0.044 | 0.057 | 0.075 | ||
Cr75 | 0.079 | 0.088 | |||
Cr100 | 0.125 | ||||
FRR at FAR = 0.0001 | |||||
Original | Cr25 | Cr50 | Cr75 | Cr100 | |
Original | 0.036 | 0.043 | 0.060 | 0.087 | 0.106 |
Cr25 | 0.070 | 0.088 | 0.126 | 0.149 | |
Cr50 | 0.105 | 0.134 | 0.153 | ||
Cr75 | 0.177 | 0.170 | |||
Cr100 | 0.223 |