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In the rapidly evolving landscape of digital security, biometric authentication systems, particularly facial recognition, have emerged as integral components of various security protocols. However, the reliability of these systems is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Oleksandr Kuznetsov , Emanuele Frontoni , Luca Romeo , Riccardo Rosati , Andrea Maranesi , Alessandro Muscatello

Face anti-spoofing plays a crucial role in protecting face recognition systems from various attacks. Previous model-based and deep learning approaches achieve satisfactory performance for 2D face spoofs, but remain limited for more advanced…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Wei Hu , Gusi Te , Ju He , Dong Chen , Zongming Guo

Biometric security is the cornerstone of modern identity verification and authentication systems, where the integrity and reliability of biometric samples is of paramount importance. This paper introduces AttackNet, a bespoke Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Oleksandr Kuznetsov , Dmytro Zakharov , Emanuele Frontoni , Andrea Maranesi

With the advent of deep learning models, face recognition systems have achieved impressive recognition rates. The workhorses behind this success are Convolutional Neural Networks (CNNs) and the availability of large training datasets.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Debayan Deb , Vishesh Mistry , Rahul Parthe

The increased need for unattended authentication in multiple scenarios has motivated a wide deployment of biometric systems in the last few years. This has in turn led to the disclosure of security concerns specifically related to biometric…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Ruben Tolosana , Marta Gomez-Barrero , Christoph Busch , Javier Ortega-Garcia

The progress in generative models, particularly Generative Adversarial Networks (GANs), opened new possibilities for image generation but raised concerns about potential malicious uses, especially in sensitive areas like medical imaging.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-07 Giovanni Pasqualino , Luca Guarnera , Alessandro Ortis , Sebastiano Battiato

Iris-based biometric systems are vulnerable to presentation attacks (PAs), where adversaries present physical artifacts (e.g., printed iris images, textured contact lenses) to defeat the system. This has led to the development of various…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Debasmita Pal , Redwan Sony , Arun Ross

An iris presentation attack detection (IPAD) is essential for securing personal identity is widely used iris recognition systems. However, the existing IPAD algorithms do not generalize well to unseen and cross-domain scenarios because of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Gaurav Jaswal , Aman Verma , Sumantra Dutta Roy , Raghavendra Ramachandra

We propose a novel 3D face recognition algorithm using a deep convolutional neural network (DCNN) and a 3D augmentation technique. The performance of 2D face recognition algorithms has significantly increased by leveraging the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Donghyun Kim , Matthias Hernandez , Jongmoo Choi , Gerard Medioni

In semiconductor manufacturing, the wafer dicing process is central yet vulnerable to defects that significantly impair yield - the proportion of defect-free chips. Deep neural networks are the current state of the art in (semi-)automated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zhining Hu , Tobias Schlosser , Michael Friedrich , André Luiz Vieira e Silva , Frederik Beuth , Danny Kowerko

An iris recognition system is vulnerable to presentation attacks, or PAs, where an adversary presents artifacts such as printed eyes, plastic eyes, or cosmetic contact lenses to circumvent the system. In this work, we propose an effective…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Renu Sharma , Arun Ross

The vulnerability of facial recognition systems to face morphing attacks is well known. Many different approaches for morphing attack detection have been proposed in the scientific literature. However, the morphing attack detection…

Cryptography and Security · Computer Science 2020-04-06 Ulrich Scherhag , Christian Rathgeb , Johannes Merkle , Christoph Busch

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

The rapid growth of connected devices has led to the proliferation of novel cyber-security threats known as zero-day attacks. Traditional behaviour-based IDS rely on DNN to detect these attacks. The quality of the dataset used to train the…

Cryptography and Security · Computer Science 2022-10-27 Othmane Belarbi , Aftab Khan , Pietro Carnelli , Theodoros Spyridopoulos

The use of iris as a biometric trait is widely used because of its high level of distinction and uniqueness. Nowadays, one of the major research challenges relies on the recognition of iris images obtained in visible spectrum under…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Luiz A. Zanlorensi , Eduardo Luz , Rayson Laroca , Alceu S. Britto , Luiz S. Oliveira , David Menotti

The main scope of this chapter is to serve as an introduction to face presentation attack detection, including key resources and advances in the field in the last few years. The next pages present the different presentation attacks that a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Javier Hernandez-Ortega , Julian Fierrez , Aythami Morales , Javier Galbally

Biometric data, such as face images, are often associated with sensitive information (e.g medical, financial, personal government records). Hence, a data breach in a system storing such information can have devastating consequences. Deep…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Reena Zelenkova , Jack Swallow , M. A. P. Chamikara , Dongxi Liu , Mohan Baruwal Chhetri , Seyit Camtepe , Marthie Grobler , Mahathir Almashor

We propose a convolutional neural network (CNN) architecture for facial expression recognition. The proposed architecture is independent of any hand-crafted feature extraction and performs better than the earlier proposed convolutional…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Peter Burkert , Felix Trier , Muhammad Zeshan Afzal , Andreas Dengel , Marcus Liwicki

Deep neural networks have developed rapidly and have achieved outstanding performance in several tasks, such as image classification and natural language processing. However, recent studies have indicated that both digital and physical…

Cryptography and Security · Computer Science 2021-09-09 Chang-Sheng Lin , Chia-Yi Hsu , Pin-Yu Chen , Chia-Mu Yu

Biometric systems based on Machine learning and Deep learning are being extensively used as authentication mechanisms in resource-constrained environments like smartphones and other small computing devices. These AI-powered facial…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Mohit Raghavendra , Pravan Omprakash , B R Mukesh , Sowmya Kamath