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Biometric based authentication is currently playing an essential role over conventional authentication system; however, the risk of presentation attacks subsequently rising. Our research aims at identifying the areas where presentation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Nyle Siddiqui , Rushit Dave

In this paper, we seek a new method in designing an iris recognition system. In this method, first the Haar wavelet features are extracted from iris images. The advantage of using these features is the high-speed extraction, as well as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Farahnaz Hosseini , Hossein Ebrahimpour , Samaneh Askari

Face recognition technology has been widely used in daily interactive applications such as checking-in and mobile payment due to its convenience and high accuracy. However, its vulnerability to presentation attacks (PAs) limits its reliable…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Zitong Yu , Chenxu Zhao , Zhen Lei

Due to the diversity of attack materials, fingerprint recognition systems (AFRSs) are vulnerable to malicious attacks. It is thus important to propose effective fingerprint presentation attack detection (PAD) methods for the safety and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Feng Liu , Zhe Kong , Haozhe Liu , Wentian Zhang , Linlin Shen

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…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Luis F. Gomez , Julian Fierrez , Aythami Morales , Mahdi Ghafourian , Ruben Tolosana , Imanol Solano , Alejandro Garcia , Francisco Zamora-Martinez

Despite significant advances in facial recognition systems, they remain vulnerable to face presentation attacks. Among them, disguise makeup attacks are particularly challenging, as they use advanced cosmetics, prosthetic components, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Fateme Taraghi , Atefe Aghaei , Mohsen Ebrahimi Moghaddam

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

Deep neural networks (DNNs) exhibit superior performance in various machine learning tasks, e.g., image classification, speech recognition, biometric recognition, object detection, etc. However, it is essential to analyze their sensitivity…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Renu Sharma , Redwan Sony , Arun Ross

Nowadays, fingerprint-based biometric recognition systems are becoming increasingly popular. However, in spite of their numerous advantages, biometric capture devices are usually exposed to the public and thus vulnerable to presentation…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Jascha Kolberg , Marta Gomez-Barrero , Christoph Busch

Fingerprint-based biometric systems have experienced a large development in the last years. Despite their many advantages, they are still vulnerable to presentation attacks (PAs). Therefore, the task of determining whether a sample stems…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Lázaro J. González-Soler , Marta Gomez-Barrero , Leonardo Chang , Airel Pérez-Suárez , Christoph Busch

In recent years, attention mechanisms have been exploited in single image super-resolution (SISR), achieving impressive reconstruction results. However, these advancements are still limited by the reliance on simple training strategies and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Yuxuan Jiang , Chengxi Zeng , Siyue Teng , Fan Zhang , Xiaoqing Zhu , Joel Sole , David Bull

This research introduces a robust detection system against malicious network traffic, leveraging hierarchical structures and self-attention mechanisms. The proposed system includes a Packet Segmenter that divides a given raw network packet…

Cryptography and Security · Computer Science 2025-01-14 Anass Grini , Btissam El Khamlichi , Abdellatif El Afia , Amal El Fallah-Seghrouchni

One issue with computer based histopathology image analysis is that the size of the raw image is usually very large. Taking the raw image as input to the deep learning model would be computationally expensive while resizing the raw image to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Bolei Xu , Jingxin Liu , Xianxu Hou , Bozhi Liu , Jon Garibaldi , Ian O. Ellis , Andy Green , Linlin Shen , Guoping Qiu

With the development of presentation attacks, Automated Fingerprint Recognition Systems(AFRSs) are vulnerable to presentation attack. Thus, numerous methods of presentation attack detection(PAD) have been proposed to ensure the normal…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Haozhe Liu , Wentian Zhang , Guojie Liu , Feng Liu

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

Face representation learning solutions have recently achieved great success for various applications such as verification and identification. However, face recognition approaches that are based purely on RGB images rely solely on intensity…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

Face presentation attack detection (PAD) has been an urgent problem to be solved in the face recognition systems. Conventional approaches usually assume the testing and training are within the same domain; as a result, they may not…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Guoqing Wang , Hu Han , Shiguang Shan , Xilin Chen

Iris recognition has emerged as one of the most accurate and convenient biometric for the human identification and has been increasingly employed in a wide range of e-security applications. The quality of iris images acquired at-a-distance…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Kuo Wang , Ajay Kumar

The vulnerabilities of fingerprint authentication systems have raised security concerns when adapting them to highly secure access-control applications. Therefore, Fingerprint Presentation Attack Detection (FPAD) methods are essential for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Hailin Li , Raghavendra Ramachandra

Cross-spectral face recognition systems are designed to enhance the performance of facial recognition systems by enabling cross-modal matching under challenging operational conditions. A particularly relevant application is the matching of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Anjith George , Sebastien Marcel