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Related papers: Introduction to Presentation Attack Detection in I…

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Biometric systems are vulnerable to Presentation Attacks (PA) performed using various Presentation Attack Instruments (PAIs). Even though there are numerous Presentation Attack Detection (PAD) techniques based on both deep learning and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Zhe Kong , Wentian Zhang , Feng Liu , Wenhan Luo , Haozhe Liu , Linlin Shen , Raghavendra Ramachandra

Vision foundation models have demonstrated strong transferability across diverse visual recognition tasks and are increasingly considered for biometric applications. Their suitability for iris Presentation Attack Detection (PAD),…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Rahul Anand , Siddharth Singh , Dileep A D , Mahadeva Prasanna , Raghavendra Ramachandra

The integration of multimodal models into Presentation Attack Detection (PAD) for ID Documents represents a significant advancement in biometric security. Traditional PAD systems rely solely on visual features, which often fail to detect…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Marina Villanueva , Juan M. Espin , Juan E. Tapia

Iris pattern recognition has significantly improved the biometric authentication field due to its high stability and uniqueness. Such physical characteristics have played an essential role in security and other related areas. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Juan Tapia , Sebastian Gonzalez , Christoph Busch

Purpose of the research: In the biometric community, visible human characteristics are popular and viable for verification and identification on mobile devices. However, imposters are able to spoof such characteristics by creating fake and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Jalil Nourmohammadi Khiarak

Face recognition systems are often used for biometric authentication. Nevertheless, it is known that without any protective measures, face recognition systems are vulnerable to presentation attacks. To tackle this security problem, methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Mathias Ibsen , Loris Tim Ide , Christian Rathgeb , Christoph Busch

The diffusion of fingerprint verification systems for security applications makes it urgent to investigate the embedding of software-based presentation attack detection algorithms (PAD) into such systems. Companies and institutions need to…

Cryptography and Security · Computer Science 2021-10-22 Marco Micheletto , Gian Luca Marcialis , Giulia Orrù , Fabio Roli

A large number of deep neural network based techniques have been developed to address the challenging problem of face presentation attack detection (PAD). Whereas such techniques' focus has been on improving PAD performance in terms of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Hengameh Mirzaalian , Mohamed E. Hussein , Leonidas Spinoulas , Jonathan May , Wael Abd-Almageed

Biometric systems are nowadays employed across a broad range of applications. They provide high security and efficiency and, in many cases, are user friendly. Despite these and other advantages, biometric systems in general and Automatic…

In this paper, an updated two-stage, end-to-end Presentation Attack Detection method for remote biometric verification systems of ID cards, based on MobileNetV2, is presented. Several presentation attack species such as printed, display,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Sebastian Gonzalez , Juan Tapia

Presentation attacks are recurrent threats to biometric systems, where impostors attempt to bypass these systems. Humans often use background information as contextual cues for their visual system. Yet, regarding face-based systems, the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Pedro C. Neto , Ana F. Sequeira , Jaime S. Cardoso

Over the past few years significant progress has been made in the field of presentation attack detection (PAD) for automatic speaker recognition (ASV). This includes the development of new speech corpora, standard evaluation protocols and…

Face signatures, including size, shape, texture, skin tone, eye color, appearance, and scars/marks, are widely used as discriminative, biometric information for access control. Despite recent advancements in facial recognition systems,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Jennifer Hamblin , Kshitij Nikhal , Benjamin S. Riggan

Iris presentation attack detection (PAD) is critical for secure biometric deployments, yet developing specialized models faces significant practical barriers: collecting data representing future unknown attacks is impossible, and collecting…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Jacob Piland , Byron Dowling , Christopher Sweet , Adam Czajka

In this contribution, the vulnerabilities of iris-based recognition systems to direct attacks are studied. A database of fake iris images has been created from real iris of the BioSec baseline database. Iris images are printed using a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Virginia Ruiz-Albacete , Pedro Tome-Gonzalez , Fernando Alonso-Fernandez , Javier Galbally , Julian Fierrez , Javier Ortega-Garcia

Smartphone-based contactless fingerphoto authentication has become a reliable alternative to traditional contact-based fingerprint biometric systems owing to rapid advances in smartphone camera technology. Despite its convenience,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Hailin Li , Raghavendra Ramachandra , Mohamed Ragab , Soumik Mondal , Yong Kiam Tan , Khin Mi Mi Aung

Face presentation attacks have become a major threat to face recognition systems and many countermeasures have been proposed in the past decade. However, most of them are devoted to 2D face presentation attacks, rather than 3D face masks.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Lei Li , Zhaoqiang Xia , Xiaoyue Jiang , Yupeng Ma , Fabio Roli , Xiaoyi Feng

Face presentation attack detection (PAD) is an essential measure to protect face recognition systems from being spoofed by malicious users and has attracted great attention from both academia and industry. Although most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Zhi Li , Haoliang Li , Xin Luo , Yongjian Hu , Kwok-Yan Lam , Alex C. Kot

The human face has a high potential for biometric identification due to its many individual traits. At the same time, such identification is vulnerable to biometric copies. These presentation attacks pose a great challenge in unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Martin Thümmel , Sven Sickert , Joachim Denzler

The iris pattern has significantly improved the biometric recognition field due to its high level of stability and uniqueness. Such physical feature has played an important role in security and other related areas. However, presentation…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Gabriela Y. Kimura , Diego R. Lucio , Alceu S. Britto , David Menotti