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This paper describes the experimental framework and results of the IJCB 2022 Mobile Behavioral Biometrics Competition (MobileB2C). The aim of MobileB2C is benchmarking mobile user authentication systems based on behavioral biometric traits…

Classic control techniques typically rely on a model of the system's response to external inputs, which is difficult to obtain from first principles especially if the unknown dynamics are nonlinear. In this paper, we address this issue by…

Systems and Control · Electrical Eng. & Systems 2025-04-28 Anna Scampicchio , Melanie N. Zeilinger

The introduction of Transformers architecture has brought about significant breakthroughs in Deep Learning (DL), particularly within Natural Language Processing (NLP). Since their inception, Transformers have outperformed many traditional…

Robotics · Computer Science 2024-12-17 Nikunj Sanghai , Nik Bear Brown

Gestures are a topic of increasing interest in authentication and successful implementation as a security layer requires reliable gesture recognition. So far much work focuses on new ways to recognize gestures, leaving discussion on the…

Cryptography and Security · Computer Science 2014-08-28 Gradeigh D. Clark , Janne Lindqvist

With the latest developments in technology, extra and extra human beings depend on their private gadgets to keep their touchy information. Concurrently, the surroundings in which these gadgets are linked have grown to grow to be greater…

Cryptography and Security · Computer Science 2021-09-08 Rushit Dave

Background: An advantageous property of behavioural signals ,e.g. handwriting, in contrast to morphological ones, such as iris, fingerprint, hand geometry, etc., is the possibility to ask a user for a very rich amount of different tasks.…

Cryptography and Security · Computer Science 2022-02-28 Marcos Faundez-Zanuy , Jiri Mekyska , Donato Impedovo

Online Signature Verification (OSV) is a widely used biometric attribute for user behavioral characteristic verification in digital forensics. In this manuscript, owing to large intra-individual variability, a novel method for OSV based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Chandra Sekhar , Prerana Mukherjee , D. S. Guru , Viswanath Pulabaigari

In this paper we evaluate mobile active authentication based on an ensemble of biometrics and behavior-based profiling signals. We consider seven different data channels and their combination. Touch dynamics (touch gestures and…

Cryptography and Security · Computer Science 2019-01-30 Alejandro Acien , Aythami Morales , Ruben Vera-Rodriguez , Julian Fierrez

Transformers have transformed modern machine learning, driving breakthroughs in computer vision, natural language processing, and robotics. At the core of their success lies the attention mechanism, which enables the modeling of global…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Hemanth Saratchandran , Simon Lucey

Following unprecedented success on the natural language tasks, Transformers have been successfully applied to several computer vision problems, achieving state-of-the-art results and prompting researchers to reconsider the supremacy of…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Fahad Shamshad , Salman Khan , Syed Waqas Zamir , Muhammad Haris Khan , Munawar Hayat , Fahad Shahbaz Khan , Huazhu Fu

Fake fingerprint representation pose a severe threat for fingerprint based authentication systems. Despite advances in presentation attack detection technologies, which are often integrated directly into the fingerprint scanner devices,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Christof Kauba , Luca Debiasi , Andreas Uhl

SigNet is a state of the art model for feature representation used for handwritten signature verification (HSV). This representation is based on a Deep Convolutional Neural Network (DCNN) and contains 2048 dimensions. When transposed to a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Victor L. F. Souza , Adriano L. I. Oliveira , Rafael M. O. Cruz , Robert Sabourin

Biometric systems involve security assurance to make our system highly secured and robust. Nowadays, biometric technology has been fixed into new systems with the aim of enforcing strong privacy and security. Several innovative system have…

Cryptography and Security · Computer Science 2022-05-24 Jones Yeboah , Victor Adewopo , Sylvia Azumah , Izunna Okpala

This paper compares different Transformer model architectures for stock index prediction. While many studies have shown that Transformers perform well in stock price forecasting, few have explored how different structural designs impact…

Computational Engineering, Finance, and Science · Computer Science 2025-04-24 Qizhao Chen

In this paper, we provide an overview of fingerprint sensing methods used for authentication. We analyze the current fingerprint sensing technologies, from algorithmic, as well as from hardware perspectives. We then focus on methods to…

Cryptography and Security · Computer Science 2020-01-28 Filipp Demenschonok , Jason Harrigan , Tamara Bonaci

With the ongoing digitalisation of our everyday tasks, more and more eGovernment services make it possible for citizens to take care of their administrative obligations online. This type of services requires a certain assurance level for…

Computers and Society · Computer Science 2017-07-21 Daniel Träder , Alexander Zeier , Andreas Heinemann

We propose a method to remotely verify the authenticity of Optically Variable Devices (OVDs), often referred to as ``holograms'', in identity documents. Our method processes video clips captured with smartphones under common lighting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Glen Pouliquen , Guillaume Chiron , Joseph Chazalon , Thierry Géraud , Ahmad Montaser Awal

Dozens of new tools and technologies are being incorporated to help developers, which is becoming a source of consternation as they struggle to choose one over the others. For example, there are at least ten frameworks available to…

Software Engineering · Computer Science 2023-06-13 Nibir Chandra Mandal , Tashreef Muhammad , G. M. Shahariar

As the use of biometrics becomes more wide-spread, the privacy concerns that stem from the use of biometrics are becoming more apparent. As the usage of mobile devices grows, so does the desire to implement biometric identification into…

Cryptography and Security · Computer Science 2015-06-12 R. C. Johnson , Walter J. Scheirer , Terrance E. Boult

We investigate whether a classifier can continuously authenticate users based on the way they interact with the touchscreen of a smart phone. We propose a set of 30 behavioral touch features that can be extracted from raw touchscreen logs…

Cryptography and Security · Computer Science 2013-01-08 Mario Frank , Ralf Biedert , Eugene Ma , Ivan Martinovic , Dawn Song