PAD-Phys: Exploiting Physiology for Presentation Attack Detection in Face Biometrics

• URL: http://arxiv.org/abs/2310.02140v1
• Date: Tue, 3 Oct 2023 15:24:15 GMT
• Title: PAD-Phys: Exploiting Physiology for Presentation Attack Detection in Face Biometrics
• Authors: Luis F. Gomez, Julian Fierrez, Aythami Morales, Mahdi Ghafourian, Ruben Tolosana, Imanol Solano, Alejandro Garcia and Francisco Zamora-Martinez
• Abstract summary: Three approaches to presentation attack detection based on r: (i) the physiological domain, (ii) the Deepfakes domain, and (iii) a new Presentation Attack domain. Results show a 21.70% decrease in average classification error rate (ACER) when the presentation attack domain is compared to the physiological and Deepfakes domains. Experiments highlight the efficiency of transfer learning in r-based models and perform well in presentation attack detection in instruments that do not allow copying of this physiological feature.
• Score: 48.683457383784145
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Presentation Attack Detection (PAD) is a crucial stage in facial recognition systems to avoid leakage of personal information or spoofing of identity to entities. Recently, pulse detection based on remote photoplethysmography (rPPG) has been shown to be effective in face presentation attack detection. This work presents three different approaches to the presentation attack detection based on rPPG: (i) The physiological domain, a domain using rPPG-based models, (ii) the Deepfakes domain, a domain where models were retrained from the physiological domain to specific Deepfakes detection tasks; and (iii) a new Presentation Attack domain was trained by applying transfer learning from the two previous domains to improve the capability to differentiate between bona-fides and attacks. The results show the efficiency of the rPPG-based models for presentation attack detection, evidencing a 21.70% decrease in average classification error rate (ACER) (from 41.03% to 19.32%) when the presentation attack domain is compared to the physiological and Deepfakes domains. Our experiments highlight the efficiency of transfer learning in rPPG-based models and perform well in presentation attack detection in instruments that do not allow copying of this physiological feature.

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