Alejandro Acien

35 papers B 5C 1Journal 22Unranked 5
YearRankTypeTitle / Venue / Authors
2025 J jnl
KVC-onGoing: Keystroke Verification Challenge.
Pattern Recognit.
Giuseppe Stragapede, Rubén Vera-Rodríguez, Ruben Tolosana, Aythami Morales, Ivan DeAndres-Tame, Naser Damer, Julian Fiérrez, Javier Ortega-Garcia, Alejandro Acien, Nahuel González, Andrei Shadrikov, Dmitrii Gordin, Leon Schmitt, Daniel Wimmer, Christoph Großmann, Joerdis Krieger, Florian Heinz, Ron Krestel, Christoffer Mayer, Simon Haberl, Helena Gschrey, Yosuke Yamagishi, Sanjay Saha, Sanka Rasnayaka, Sandareka Wickramanayake, Terence Sim, Weronika Gutfeter, Adam Baran, Mateusz Krzyszton, Przemyslaw Jaskóla
2025 J jnl
KeyGAN: Synthetic keystroke data generation in the context of digital phenotyping.
Comput. Biol. Medicine
Alejandro Acien, Aythami Morales, Luca Giancardo, Rubén Vera-Rodríguez, Ashley A Holmes, Julian Fiérrez, Teresa Arroyo-Gallego
2024 J jnl
Generalizing Parkinson's disease detection using keystroke dynamics: a self-supervised approach.
J. Am. Medical Informatics Assoc.
Shikha Tripathi, Alejandro Acien, Ashley A Holmes, Teresa Arroyo-Gallego, Luca Giancardo
2024 J jnl
KVC-onGoing: Keystroke Verification Challenge.
CoRR
Giuseppe Stragapede, Rubén Vera-Rodríguez, Ruben Tolosana, Aythami Morales, Ivan DeAndres-Tame, Naser Damer, Julian Fiérrez, Javier Ortega-Garcia, Alejandro Acien, Nahuel González, Andrei Shadrikov, Dmitrii Gordin, Leon Schmitt, Daniel Wimmer, Christoph Großmann, Joerdis Krieger, Florian Heinz, Ron Krestel, Christoffer Mayer, Simon Haberl, Helena Gschrey, Yosuke Yamagishi, Sanjay Saha, Sanka Rasnayaka, Sandareka Wickramanayake, Terence Sim, Weronika Gutfeter, Adam Baran, Mateusz Krzyszton, Przemyslaw Jaskóla
2023 — conf
BeCAPTCHA-Type: Biometric Keystroke Data Generation for Improved Bot Detection.
CVPR Workshops
Daniel DeAlcala, Aythami Morales, Ruben Tolosana, Alejandro Acien, Julian Fiérrez, Santiago Hernandez, Miguel A. Ferrer, Moisés Díaz
2023 — conf
Self-Supervised Learning with Touchscreen Typing. A Generalizable Strategy for Parkinson's Disease Detection Across Datasets.
BCB
Shikha Tripathi, Alejandro Acien, Ashley A Holmes, Teresa Arroyo-Gallego, Luca Giancardo
2022 J jnl
BeCAPTCHA-Mouse: Synthetic mouse trajectories and improved bot detection.
Pattern Recognit.
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez
2022 J jnl
Mobile Behavioral Biometrics for Passive Authentication.
CoRR
Giuseppe Stragapede, Rubén Vera-Rodríguez, Ruben Tolosana, Aythami Morales, Alejandro Acien, Gaël Le Lan
2022 — conf
Mobile Passive Authentication through Touchscreen and Background Sensor Data.
IWBF
Giuseppe Stragapede, Rubén Vera-Rodríguez, Ruben Tolosana, Aythami Morales, Alejandro Acien, Gaël Le Lan
2022 J jnl
Mobile behavioral biometrics for passive authentication.
Pattern Recognit. Lett.
Giuseppe Stragapede, Rubén Vera-Rodríguez, Ruben Tolosana, Aythami Morales, Alejandro Acien, Gaël Le Lan
2022 — —
Modelling human-computer interaction: new applications based on biometric signal processing ; Modelado de la interacción hombre-máquina: Nuevas aplicaciones basadas en el procesado de señales biométricas.
Alejandro Acien
2022 J jnl
SetMargin loss applied to deep keystroke biometrics with circle packing interpretation.
Pattern Recognit.
Aythami Morales, Julian Fiérrez, Alejandro Acien, Ruben Tolosana, Ignacio Serna
2022 J jnl
Statistical Keystroke Synthesis for Improved Bot Detection.
CoRR
Daniel DeAlcala, Aythami Morales, Ruben Tolosana, Alejandro Acien, Julian Fiérrez, Santiago Hernandez, Miguel A. Ferrer, Moisés Díaz
2022 J jnl
TypeNet: Deep Learning Keystroke Biometrics.
IEEE Trans. Biom. Behav. Identity Sci.
Alejandro Acien, Aythami Morales, John V. Monaco, Rubén Vera-Rodríguez, Julian Fiérrez
2021 J jnl
BeCAPTCHA: Behavioral bot detection using touchscreen and mobile sensors benchmarked on HuMIdb.
Eng. Appl. Artif. Intell.
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez, Oscar Delgado-Mohatar
2021 J jnl
SetMargin Loss applied to Deep Keystroke Biometrics with Circle Packing Interpretation.
CoRR
Aythami Morales, Julian Fiérrez, Alejandro Acien, Ruben Tolosana, Ignacio Serna
2021 J jnl
TypeNet: Deep Learning Keystroke Biometrics.
CoRR
Alejandro Acien, Aythami Morales, John V. Monaco, Rubén Vera-Rodríguez, Julian Fiérrez
2020 B conf
Assessing the Quality of Swipe Interactions for Mobile Biometric Systems.
IJCB
Marco Santopietro, Rubén Vera-Rodríguez, Richard M. Guest, Aythami Morales, Alejandro Acien
2020 J jnl
Be-CAPTCHA: Detecting Human Behavior in Smartphone Interaction using Multiple Inbuilt Sensors.
CoRR
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez, Ivan Bartolome
2020 J jnl
BeCAPTCHA-Mouse: Synthetic Mouse Trajectories and Improved Bot Detection.
CoRR
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez
2020 J jnl
BeCAPTCHA: Bot Detection in Smartphone Interaction using Touchscreen Biometrics and Mobile Sensors.
CoRR
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez, Oscar Delgado-Mohatar
2020 B conf
Keystroke Biometrics in Response to Fake News Propagation in a Global Pandemic.
COMPSAC
Aythami Morales, Alejandro Acien, Julian Fiérrez, John V. Monaco, Ruben Tolosana, Rubén Vera-Rodríguez, Javier Ortega-Garcia
2020 J jnl
Keystroke Biometrics in Response to Fake News Propagation in a Global Pandemic.
CoRR
Aythami Morales, Alejandro Acien, Julian Fiérrez, John V. Monaco, Ruben Tolosana, Rubén Vera-Rodríguez, Javier Ortega-Garcia
2020 — ch.
Modeling the Complexity of Signature and Touch-Screen Biometrics using the Lognormality Principle.
The Lognormality Principle
Rubén Vera-Rodríguez, Ruben Tolosana, Javier Hernandez-Ortega, Alejandro Acien, Aythami Morales, Julian Fiérrez, Javier Ortega-Garcia
2020 B conf
Smartphone Sensors for Modeling Human-Computer Interaction: General Outlook and Research Datasets for User Authentication.
COMPSAC
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez
2020 J jnl
Smartphone Sensors for Modeling Human-Computer Interaction: General Outlook and Research Datasets for User Authentication.
CoRR
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez
2020 B conf
TypeNet: Scaling up Keystroke Biometrics.
IJCB
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez, John V. Monaco
2020 J jnl
TypeNet: Scaling up Keystroke Biometrics.
CoRR
Alejandro Acien, John V. Monaco, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez
2019 J jnl
Active detection of age groups based on touch interaction.
IET Biom.
Alejandro Acien, Aythami Morales, Julian Fiérrez, Rubén Vera-Rodríguez, Javier Hernandez-Ortega
2019 J jnl
Characterization of the Handwriting Skills as a Biomarker for Parkinson Disease.
CoRR
Reynel Castrillón, Alejandro Acien, Juan Rafael Orozco-Arroyave, Aythami Morales, Jesús Francisco Vargas-Bonilla, Rubén Vera-Rodríguez, Julian Fiérrez, Javier Ortega-Garcia, Álvaro Villegas
2019 B conf
Characterization of the Handwriting Skills as a Biomarker for Parkinson's Disease.
FG
Reynel Castrillón, Alejandro Acien, Juan Rafael Orozco-Arroyave, Aythami Morales, Jesús Francisco Vargas-Bonilla, Rubén Vera-Rodríguez, Julian Fiérrez, Javier Ortega-Garcia, Álvaro Villegas
2019 — conf
Keystroke Mobile Authentication: Performance of Long-Term Approaches and Fusion with Behavioral Profiling.
IbPRIA (2)
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez
2019 J jnl
MultiLock: Mobile Active Authentication based on Multiple Biometric and Behavioral Patterns.
CoRR
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Julian Fiérrez
2018 C conf
Measuring the Gender and Ethnicity Bias in Deep Models for Face Recognition.
CIARP
Alejandro Acien, Aythami Morales, Rubén Vera-Rodríguez, Ivan Bartolome, Julian Fiérrez
2015 — conf
e-BioSign tool: Towards scientific assessment of dynamic signatures under forensic conditions.
BTAS
Rubén Vera-Rodríguez, Julian Fiérrez, Javier Ortega-Garcia, Alejandro Acien, Ruben Tolosana