Face Verification

Biometric identity authentication for secure mobile and web applications

Neurotechnology Face Verification system is designed for integration of facial authentication into enterprise and consumer applications for mobile devices and PCs. The simple API helps to implement solutions like digital onboarding, payment, e-services and all other applications that need enhanced security through biometric face recognition and presentation attack detection. The library size for the devices is small and it is inclusive of all functionalities also available on the server component, with the possibility to perform authentication both online and offline.

Different liveness detection functionalities are included to implement anti-spoofing mechanism with the possibility of configuring the balance between security and usability of the application.

Available on Android, iOS, Microsoft Windows, macOS and Linux platforms.


Web Application Demo.

Download Android Application Demo.

Download SDK and Web Service Trial.

Download Brochure (PDF).

Reliability Tests

We present the testing results to show the template verification and face liveness check reliability evaluations for the Face Verification system.

Template Verification Reliability Tests

University of Massachusetts Labeled Faces in the Wild (LFW) public dataset was used for testing the template verification reliability of Neurotechnology Face Verification system. The following modifications were applied to the dataset:

  • According to the original protocol, only 6,000 pairs (3,000 genuine and 3,000 impostor) should be used to report the results. But recent algorithms are "very close to the maximum achievable by a perfect classifier" [source]. Instead, as Neurotechnology algorithms were not trained on any image from this dataset, verification results on matching each pair of all 13,233 face images of 5,729 persons were chosen to be reported.
  • All identity mistakes, which had been mentioned on the LFW website, were fixed. Also, several not mentioned issues were fixed.
  • Some images from the LFW dataset contained multiple faces. The correct faces for assigned identities were chosen manually to solve these ambiguities.

Three experiments were performed with each dataset:

  • Experiment 1 used face templates which were extracted with settings for mobile device usage optimization. The Face Verification 12 algorithm reliability in this experiment is shown on the ROC chart as black curve.
  • Experiment 2 used face templates which were extracted with settings for server platform usage optimization. The Face Verification 12 algorithm reliability in this experiment is shown on the ROC chart as red curve.
  • Experiment 3 used face templates from Experiments 1 and 2 to test interoperability between them. The Face Verification 12 algorithm reliability in this experiment is shown on the ROC chart as green curve.

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). Equal error rate (EER) is the rate at which both FAR and FRR are equal.

Neurotechnology Face Verification 12 template verification reliability
Face VeriFication 12 template verification algorithm reliability testing results with face images from LFW dataset
  Experiment 1 Experiment 2 Experiment 3
EER 0.0487 % 0.0109 % 0.0305 %
FRR at 0.1 % FAR 0.0388 % 0.0025 % 0.0204 %
FRR at 0.01 % FAR 0.1209 % 0.0120 % 0.0524 %
FRR at 0.001 % FAR 0.4173 % 0.0343 % 0.1686 %

Face Liveness Check Reliability Tests

Neurotechnology's internally collected dataset was used for testing the face liveness check algorithm. The dataset contained:

  • 27,483 real samples.
  • 18,060 attack samples, which included these scenarios for spoofing face liveness check:
    • Screen-based: phone, laptop, tablet and PC screens were used.
    • Paper photo-based: regular laser printer paper, photo paper and matte paper was used.
    • 3D mask-based: off-the-shelf carnival masks were used.

Receiver operation characteristic (ROC) curves are usually used to demonstrate the accuracy of a biometric algorithm. A ROC curve shows the dependence of Bona fide Presentation Classification Error Rate (BPCER) on the Attack Presentation Classification Error Rate (APCER). Equal error rate (EER) is the rate at which both APCER and BPCER are equal.

Neurotechnology Face Verification 12 face liveness estimation reliability
Face VeriFication 12 liveness check algorithm testing results with Neurotechnology internal dataset
EER 0.1702 %
BPCER at 10 % APCER 0.0109 %
BPCER at 1 % APCER 0.0182 %
BPCER at 0.1 % APCER 0.7606 %
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