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Nowadays, Presentation Attack Detection is a very active research area. Several databases are constituted in the state-of-the-art using images extracted from videos. One of the main problems identified is that many databases present a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Diego Pasmino , Carlos Aravena , Juan Tapia , Christoph Busch

Face recognition systems are widely deployed in high-security applications such as for biometric verification at border controls. Despite their high accuracy on pristine data, it is well-known that digital manipulations, such as face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Mathias Ibsen , Lázaro J. González-Soler , Christian Rathgeb , Christoph Busch

This chapter provides an introduction to Presentation Attack Detection (PAD) in fingerprint biometrics, also coined anti-spoofing, describes early developments in this field, and briefly summarizes recent trends and open issues.

Cryptography and Security · Computer Science 2023-04-17 Javier Galbally , Julian Fierrez , Raffaele Cappelli , Gian Luca Marcialis

Automatic fingerprint recognition systems are the most extensively used systems for person authentication although they are vulnerable to Presentation attacks. Artificial artifacts created with the help of various materials are used to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Anuj Rai , Somnath Dey , Pradeep Patidar , Prakhar Rai

Despite the success of convolutional neural networks (CNNs) in many computer vision and image analysis tasks, they remain vulnerable against so-called adversarial attacks: Small, crafted perturbations in the input images can lead to false…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Paula Harder , Franz-Josef Pfreundt , Margret Keuper , Janis Keuper

Face Anti-Spoofing (FAS) is significant for the security of face recognition systems. Convolutional Neural Networks (CNNs) have been introduced to the field of the FAS and have achieved competitive performance. However, CNN-based methods…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Rizhao Cai , Changsheng Chen

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

State-of-the-art face recognition systems are based on deep (convolutional) neural networks. Therefore, it is imperative to determine to what extent face templates derived from deep networks can be inverted to obtain the original face…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Guangcan Mai , Kai Cao , Pong C. Yuen , Anil K. Jain

In a spoofing attack, a malicious actor impersonates a legitimate user to access or manipulate data without authorization. The vulnerability of cryptographic security mechanisms to compromised user credentials motivates spoofing attack…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Tien Ngoc Ha , Daniel Romero

In identity management system, commonly used biometric recognition system needs attention towards issue of biometric template protection as far as more reliable solution is concerned. In view of this biometric template protection algorithm…

Computer Vision and Pattern Recognition · Computer Science 2014-01-03 Shraddha S. Shinde , Prof. Anagha P. Khedkar

Backdoor attacks pose a significant threat to the training process of deep neural networks (DNNs). As a widely-used DNN-based application in real-world scenarios, face recognition systems once implanted into the backdoor, may cause serious…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Ming Sun , Lihua Jing , Zixuan Zhu , Rui Wang

Making computer-generated (CG) images more difficult to detect is an interesting problem in computer graphics and security. While most approaches focus on the image rendering phase, this paper presents a method based on increasing the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Huy H. Nguyen , Ngoc-Dung T. Tieu , Hoang-Quoc Nguyen-Son , Junichi Yamagishi , Isao Echizen

Face verification (FV) using deep neural network models has made tremendous progress in recent years, surpassing human accuracy and seeing deployment in various applications such as border control and smartphone unlocking. However, FV…

Cryptography and Security · Computer Science 2023-09-13 Ehsan Nazari , Paula Branco , Guy-Vincent Jourdan

Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

Though having achieved some progresses, the hand-crafted texture features, e.g., LBP [23], LBP-TOP [11] are still unable to capture the most discriminative cues between genuine and fake faces. In this paper, instead of designing feature by…

Computer Vision and Pattern Recognition · Computer Science 2014-08-27 Jianwei Yang , Zhen Lei , Stan Z. Li

Face recognition technology has dramatically transformed the landscape of security, surveillance, and authentication systems, offering a user-friendly and non-invasive biometric solution. However, despite its significant advantages, face…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Arun Kunwar , Ajita Rattani

Examining the authenticity of images has become increasingly important as manipulation tools become more accessible and advanced. Recent work has shown that while CNN-based image manipulation detectors can successfully identify…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Face morphing attacks have raised critical concerns as they demonstrate a new vulnerability of Face Recognition Systems (FRS), which are widely deployed in border control applications. The face morphing process uses the images from multiple…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Sushma Venkatesh , Kiran Raja , Raghavendra Ramachandra , Christoph Busch

Face authentication is now widely used, especially on mobile devices, rather than authentication using a personal identification number or an unlock pattern, due to its convenience. It has thus become a tempting target for attackers using a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Huy H. Nguyen , Sébastien Marcel , Junichi Yamagishi , Isao Echizen

Adversarial attacks on a convolutional neural network (CNN) -- injecting human-imperceptible perturbations into an input image -- could fool a high-performance CNN into making incorrect predictions. The success of adversarial attacks raises…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yiran Li , Junpeng Wang , Takanori Fujiwara , Kwan-Liu Ma
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