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Reliability Tests

We present the testing results to show VeriFinger 13.0 template matching algorithm reliability on the data from different fingerprint readers.

Flat fingerprint image datasets used for VeriFinger 13.0 algorithm testing
  Experiment 1 Experiment 2 Experiment 3
Fingerprint reader model DigitalPersona
U.are.U 5100
Futronic FS80 Cross Match
Verifier 300 LC 2.0
Image count 11900 8600 10400
Subject count 73 43 67
Unique finger count 730 430 670
Session count 10 - 20 20 10 - 20
Image size (pixels) 252 x 324 320 x 480 640 x 480

Two tests were performed during each experiment:

  • Test 1 maximized extraction and matching accuracy. VeriFinger 13.0 algorithm reliability in this test is shown as blue curves on the ROC charts.
  • Test 2 maximized extraction and matching speed. VeriFinger 13.0 algorithm reliability in this test is shown as red curves on the ROC charts.

Receiver operation characteristic (ROC) curves are usually used to demonstrate the recognition quality of an algorithm. ROC curves show the dependence of false rejection rate (FRR) on the false acceptance rate (FAR).

Experiment 1
VeriFinger 13.0 ROC chart calculated using Neurotechnology internal fingerprint DB collected with DigitalPersona U.are.U 5100 scanner
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Experiment 2
VeriFinger 13.0 ROC chart calculated using Neurotechnology internal fingerprint DB collected with Futronic FS80 scanner
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Experiment 3
VeriFinger 13.0 ROC chart calculated using Cross Match Verifier 300 LC 2.0 scanner
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Experiment 1
VeriFinger 13.0 ROC chart calculated using Neurotechnology internal fingerprint DB collected with DigitalPersona U.are.U 5100 scanner
Experiment 2
VeriFinger 13.0 ROC chart calculated using Neurotechnology internal fingerprint DB collected with Futronic FS80 scanner
Experiment 3
VeriFinger 13.0 ROC chart calculated using Neurotechnology internal fingerprint DB collected with Cross Match Verifier 300 LC 2.0 scanner
VeriFinger 13.0 algorithm reliability tests
  Experiment 1 Experiment 2 Experiment 3
Test 1 Test 2 Test 1 Test 2 Test 1 Test 2
Average template size (bytes) 1740318 2490444 2439442
EER 0.2070 %0.8102 % 0.0786 %0.3930 % 0.0379 %0.1646 %
FRR at 0.1 % FAR 0.2906 %1.1810 % 0.0734 %0.5490 % 0.0216 %0.2028 %
FRR at 0.01 % FAR 0.5565 %1.5010 % 0.2632 %0.6628 % 0.0732 %0.2849 %
FRR at 0.001 % FAR 0.7906 %1.8870 % 0.4370 %0.7913 % 0.1092 %0.4031 %
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