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Related papers: Unsupervised Fingerphoto Presentation Attack Detec…

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The robustness and generalization ability of Presentation Attack Detection (PAD) methods is critical to ensure the security of Face Recognition Systems (FRSs). However, in a real scenario, Presentation Attacks (PAs) are various and it is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Wentian Zhang , Haozhe Liu , Feng Liu , Raghavendra Ramachandra , Christoph Busch

The paper addresses face presentation attack detection in the challenging conditions of an unseen attack scenario where the system is exposed to novel presentation attacks that were not present in the training step. For this purpose, a pure…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Shervin Rahimzadeh Arashloo

For enterprise, personal and societal applications, there is now an increasing demand for automated authentication of identity from images using computer vision. However, current authentication technologies are still vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Ayush Jaiswal , Shuai Xia , Iacopo Masi , Wael AbdAlmageed

Denoising diffusion probabilistic models (DDPMs) have been proven capable of synthesizing high-quality images with remarkable diversity when trained on large amounts of data. However, to our knowledge, few-shot image generation tasks have…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

With the increasing integration of smartphones into our daily lives, fingerphotos are becoming a potential contactless authentication method. While it offers convenience, it is also more vulnerable to spoofing using various presentation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Banafsheh Adami , Sara Tehranipoor , Nasser Nasrabadi , Nima Karimian

Iris recognition technology has attracted an increasing interest in the last decades in which we have witnessed a migration from research laboratories to real world applications. The deployment of this technology raises questions about the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Aythami Morales , Julian Fierrez , Javier Galbally , Marta Gomez-Barrero

Although face recognition systems have undergone an impressive evolution in the last decade, these technologies are vulnerable to attack presentations (AP). These attacks are mostly easy to create and, by executing them against the system's…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Lazaro Janier Gonzalez-Sole , Juan E. Tapia , Christoph Busch

Identity authentication is the process of verifying one's identity. There are several identity authentication methods, among which biometric authentication is of utmost importance. Facial recognition is a sort of biometric authentication…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Matineh Pooshideh

In the ever-evolving adversarial machine learning landscape, developing effective defenses against patch attacks has become a critical challenge, necessitating reliable solutions to safeguard real-world AI systems. Although diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Jia Fu , Xiao Zhang , Sepideh Pashami , Fatemeh Rahimian , Anders Holst

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

In light of the rising demand for biometric-authentication systems, preventing face spoofing attacks is a critical issue for the safe deployment of face recognition systems. Here, we propose an efficient face presentation attack detection…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Akinori F. Ebihara , Kazuyuki Sakurai , Hitoshi Imaoka

In recent years, face biometric security systems are rapidly increasing, therefore, the presentation attack detection (PAD) has received significant attention from research communities and has become a major field of research. Researchers…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Seyedkooshan Hashemifard , Mohammad Akbari

The scarcity of large-scale palmprint databases poses a significant bottleneck to advancements in contactless palmprint recognition. To address this, researchers have turned to synthetic data generation. While Generative Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Steven A. Grosz , Anil K. Jain

Presentation attacks are posing major challenges to most of the biometric modalities. Iris recognition, which is considered as one of the most accurate biometric modality for person identification, has also been shown to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mehak Gupta , Vishal Singh , Akshay Agarwal , Mayank Vatsa , Richa Singh

The low-cost, user-friendly, and convenient nature of Automatic Fingerprint Recognition Systems (AFRS) makes them suitable for a wide range of applications. This spreading use of AFRS also makes them vulnerable to various security threats.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Anuj Rai , Ashutosh Anshul , Ashwini Jha , Prayag Jain , Ramprakash Sharma , Somnath Dey

Presentation Attack Detection (PAD) has been extensively studied, particularly in the visible spectrum. With the advancement of sensing technology beyond the visible range, multispectral imaging has gained significant attention in this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Narayan Vetrekar , Raghavendra Ramachandra , Sushma Venkatesh , Jyoti D. Pawar , R. S. Gad

Face anti-spoofing is essential to prevent false facial verification by using a photo, video, mask, or a different substitute for an authorized person's face. Most of the state-of-the-art presentation attack detection (PAD) systems suffer…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Alperen Kantarcı , Hasan Dertli , Hazım Kemal Ekenel

Due to the high complexity and technical requirements of industrial production processes, surface defects will inevitably appear, which seriously affects the quality of products. Although existing lightweight detection networks are highly…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Xuyi Yu

Facial biometrics are an essential components of smartphones to ensure reliable and trustworthy authentication. However, face biometric systems are vulnerable to Presentation Attacks (PAs), and the availability of more sophisticated…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Raghavendra Ramachandra , Narayan Vetrekar , Sushma Venkatesh , Savita Nageshker , Jag Mohan Singh , R. S. Gad

Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regarding its vulnerability to Presentation Attacks (PAs).…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Raghavendra Ramachandra , Sushma Venkatesh