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Table 5 Performance of the iris fuzzy vault in terms of GMR, FMR, FA-security, GDT, and IDT in relation to the polynomial degree k, applying the LG feature extraction with w=16 (top) and w=32 (bottom) for left eyes of the IITDv1 database

From: Unlinkable improved multi-biometric iris fuzzy vault

k GMR (%) FMR (%) FA-sec. (bits) GDT (sec) IDT (sec)
4 98.4375 0.02001920 20.8021 49.539 0.978
6 97.7232 0.00800769 27.3634 9.247 0.617
8 97.0089 0.00800769 32.1446 3.330 0.460
10 96.0714 0.00400384 36.8344 1.648 0.366
12 94.8661 0.00400384 41.5671 0.973 0.313
16 92.0982 0 51.2525 0.488 0.246
24 83.8393 0 71.7633 0.234 0.181
32 71.7857 0 94.1555 0.169 0.152
4 98.6607 0.0240231 17.6631 65.286 1.267
6 98.3929 0.0200192 25.0975 9.683 0.577
8 97.5446 0.0160154 30.41 3.440 0.418
10 97.0089 0.0120115 35.0868 1.692 0.345
12 96.1161 0.00800769 39.7419 1.006 0.294
16 93.9286 0 49.2163 0.477 0.218
24 86.3393 0 69.0849 0.229 0.163
32 75.9375 0 90.5816 0.158 0.135