A survey of privacy vulnerabilities of mobile device sensors

P Delgado-Santos, G Stragapede, R Tolosana… - ACM Computing …, 2022 - dl.acm.org
The number of mobile devices, such as smartphones and smartwatches, is relentlessly
increasing, to almost 6.8 billion by 2022, and along with it, the amount of personal and …

TypeNet: Deep learning keystroke biometrics

A Acien, A Morales, JV Monaco… - … and Identity Science, 2021 - ieeexplore.ieee.org
We study the performance of Long Short-Term Memory networks for keystroke biometric
authentication at large scale in free-text scenarios. For this we explore the performance of …

The utility of behavioral biometrics in user authentication and demographic characteristic detection: a scoping review

OL Finnegan, JW White III, B Armstrong, EL Adams… - Systematic …, 2024 - Springer
Background Objective measures of screen time are necessary to better understand the
complex relationship between screen time and health outcomes. However, current objective …

DeepSign: Deep on-line signature verification

R Tolosana, R Vera-Rodriguez, J Fierrez… - … and Identity Science, 2021 - ieeexplore.ieee.org
Deep learning has become a breathtaking technology in the last years, overcoming
traditional handcrafted approaches and even humans for many different tasks. However, in …

BioTouchPass2: Touchscreen password biometrics using time-aligned recurrent neural networks

R Tolosana, R Vera-Rodriguez, J Fierrez… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Passwords are still used on a daily basis for all kind of applications. However, they are not
secure enough by themselves in many cases. This work enhances password scenarios …

Smartphone sensors for modeling human-computer interaction: General outlook and research datasets for user authentication

A Acien, A Morales, R Vera-Rodriguez… - 2020 IEEE 44th …, 2020 - ieeexplore.ieee.org
In this paper we list the sensors commonly available in modern smartphones and provide a
general outlook of the different ways these sensors can be used for modeling the interaction …

BeCAPTCHA: Behavioral bot detection using touchscreen and mobile sensors benchmarked on HuMIdb

A Acien, A Morales, J Fierrez, R Vera-Rodriguez… - … Applications of Artificial …, 2021 - Elsevier
In this paper we study the suitability of a new generation of CAPTCHA methods based on
smartphone interactions. The heterogeneous flow of data generated during the interaction …

[HTML][HTML] Continuous document layout analysis: Human-in-the-loop AI-based data curation, database, and evaluation in the domain of public affairs

A Peña, A Morales, J Fierrez, J Ortega-Garcia, I Puente… - Information …, 2024 - Elsevier
In the digital era, the amount of digital documents generated each day have being
increasing exponentially with the years, to a point where it is unfeasible to process them …

Characterization of the Handwriting Skills as a Biomarker for Parkinson's Disease

R Castrillón, A Acien… - 2019 14th IEEE …, 2019 - ieeexplore.ieee.org
In this paper we evaluate the suitability of handwriting patterns as potential biomarkers to
model Parkinson's disease (PD). Although the study of PD is attracting the interest of many …

On the shape of timings distributions in free-text keystroke dynamics profiles

N González, EP Calot, JS Ierache, W Hasperué - Heliyon, 2021 - cell.com
Keystroke dynamics is a soft biometric trait. Although the shape of the timing distributions in
keystroke dynamics profiles is a central element for the accurate modeling of the behavioral …