2 code implementations • 16 Apr 2024 • Ivan DeAndres-Tame, Ruben Tolosana, Pietro Melzi, Ruben Vera-Rodriguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia, Zhizhou Zhong, Yuge Huang, Yuxi Mi, Shouhong Ding, Shuigeng Zhou, Shuai He, Lingzhi Fu, Heng Cong, Rongyu Zhang, Zhihong Xiao, Evgeny Smirnov, Anton Pimenov, Aleksei Grigorev, Denis Timoshenko, Kaleb Mesfin Asfaw, Cheng Yaw Low, Hao liu, Chuyi Wang, Qing Zuo, Zhixiang He, Hatef Otroshi Shahreza, Anjith George, Alexander Unnervik, Parsa Rahimi, Sébastien Marcel, Pedro C. Neto, Marco Huber, Jan Niklas Kolf, Naser Damer, Fadi Boutros, Jaime S. Cardoso, Ana F. Sequeira, Andrea Atzori, Gianni Fenu, Mirko Marras, Vitomir Štruc, Jiang Yu, Zhangjie Li, Jichun Li, Weisong Zhao, Zhen Lei, Xiangyu Zhu, Xiao-Yu Zhang, Bernardo Biesseck, Pedro Vidal, Luiz Coelho, Roger Granada, David Menotti
Synthetic data is gaining increasing relevance for training machine learning models.
no code implementations • 14 Feb 2024 • Daniel DeAlcala, Aythami Morales, Gonzalo Mancera, Julian Fierrez, Ruben Tolosana, Javier Ortega-Garcia
This paper introduces the Membership Inference Test (MINT), a novel approach that aims to empirically assess if specific data was used during the training of Artificial Intelligence (AI) models.
1 code implementation • 24 Jan 2024 • Ivan DeAndres-Tame, Ruben Tolosana, Ruben Vera-Rodriguez, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia
In particular, we analyze the ability of ChatGPT to perform tasks such as face verification, soft-biometrics estimation, and explainability of the results.
1 code implementation • 17 Nov 2023 • Pietro Melzi, Ruben Tolosana, Ruben Vera-Rodriguez, Minchul Kim, Christian Rathgeb, Xiaoming Liu, Ivan DeAndres-Tame, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia, Weisong Zhao, Xiangyu Zhu, Zheyu Yan, Xiao-Yu Zhang, Jinlin Wu, Zhen Lei, Suvidha Tripathi, Mahak Kothari, Md Haider Zama, Debayan Deb, Bernardo Biesseck, Pedro Vidal, Roger Granada, Guilherme Fickel, Gustavo Führ, David Menotti, Alexander Unnervik, Anjith George, Christophe Ecabert, Hatef Otroshi Shahreza, Parsa Rahimi, Sébastien Marcel, Ioannis Sarridis, Christos Koutlis, Georgia Baltsou, Symeon Papadopoulos, Christos Diou, Nicolò Di Domenico, Guido Borghi, Lorenzo Pellegrini, Enrique Mas-Candela, Ángela Sánchez-Pérez, Andrea Atzori, Fadi Boutros, Naser Damer, Gianni Fenu, Mirko Marras
Despite the widespread adoption of face recognition technology around the world, and its remarkable performance on current benchmarks, there are still several challenges that must be covered in more detail.
no code implementations • 10 Nov 2023 • Giuseppe Stragapede, Ruben Vera-Rodriguez, Ruben Tolosana, Aythami Morales, Naser Damer, Julian Fierrez, Javier Ortega-Garcia
Analyzing keystroke dynamics (KD) for biometric verification has several advantages: it is among the most discriminative behavioral traits; keyboards are among the most common human-computer interfaces, being the primary means for users to enter textual data; its acquisition does not require additional hardware, and its processing is relatively lightweight; and it allows for transparently recognizing subjects.
1 code implementation • 12 Sep 2023 • Sergio Romero-Tapiador, Ruben Tolosana, Aythami Morales, Isabel Espinosa-Salinas, Gala Freixer, Julian Fierrez, Ruben Vera-Rodriguez, Enrique Carrillo de Santa Pau, Ana Ramírez de Molina, Javier Ortega-Garcia
In addition to the framework, we also provide and describe a unique food image dataset that includes 4, 800 different weekly eating behaviours from 15 different profiles and 1, 200 subjects.
no code implementations • 4 Jul 2023 • Pietro Melzi, Ruben Tolosana, Ruben Vera-Rodriguez, Paula Delgado-Santos, Giuseppe Stragapede, Julian Fierrez, Javier Ortega-Garcia
The application of mobile biometrics as a user-friendly authentication method has increased in the last years.
no code implementations • 12 Jun 2023 • Alejandro Peña, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia, Marcos Grande, Iñigo Puente, Jorge Cordova, Gonzalo Cordova
Every day, thousands of digital documents are generated with useful information for companies, public organizations, and citizens.
no code implementations • 5 Jun 2023 • Alejandro Peña, Aythami Morales, Julian Fierrez, Ignacio Serna, Javier Ortega-Garcia, Iñigo Puente, Jorge Cordova, Gonzalo Cordova
The analysis of public affairs documents is crucial for citizens as it promotes transparency, accountability, and informed decision-making.
no code implementations • 26 Apr 2023 • Daniel DeAlcala, Ignacio Serna, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia
This risk assessment should address, among others, the detection and mitigation of bias in AI.
no code implementations • 16 Feb 2023 • Carlos Gonzalez-Garcia, Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez, Javier Ortega-Garcia
Applications based on biometric authentication have received a lot of interest in the last years due to the breathtaking results obtained using personal traits such as face or fingerprint.
1 code implementation • 13 Feb 2023 • Alejandro Peña, Ignacio Serna, Aythami Morales, Julian Fierrez, Alfonso Ortega, Ainhoa Herrarte, Manuel Alcantara, Javier Ortega-Garcia
With the aim of studying how current multimodal algorithms based on heterogeneous sources of information are affected by sensitive elements and inner biases in the data, we propose a fictitious case study focused on automated recruitment: FairCVtest.
no code implementations • 22 Jan 2023 • Roberto Daza, Luis F. Gomez, Aythami Morales, Julian Fierrez, Ruben Tolosana, Ruth Cobos, Javier Ortega-Garcia
This work presents a new multimodal system for remote attention level estimation based on multimodal face analysis.
no code implementations • 11 Jan 2023 • Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Javier Ortega-Garcia, Joaquin Gonzalez-Rodriguez
Low-cost portable devices capable of capturing signature signals are being increasingly used.
no code implementations • 4 Dec 2022 • Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Hartwig Fronthaler, Klaus Kollreider, Javier Ortega-Garcia, Joaquin Gonzalez-Rodriguez, Josef Bigun
Fusion experiments I volving different combinations of the available systems are presented.
no code implementations • 24 Nov 2022 • Hartwig Fronthaler, Klaus Kollreider, Josef Bigun, Julian Fierrez, Fernando Alonso-Fernandez, Javier Ortega-Garcia, Joaquin Gonzalez-Rodriguez
This is also supported by numerous experiments involving a simpler quality estimator, a trained method (NFIQ), as well as the human perception of fingerprint quality on several public databases.
no code implementations • 16 Nov 2022 • Roberto Daza, Aythami Morales, Ruben Tolosana, Luis F. Gomez, Julian Fierrez, Javier Ortega-Garcia
We present edBB-Demo, a demonstrator of an AI-powered research platform for student monitoring in remote education.
1 code implementation • 14 Nov 2022 • Sergio Romero-Tapiador, Ruben Tolosana, Aythami Morales, Julian Fierrez, Ruben Vera-Rodriguez, Isabel Espinosa-Salinas, Gala Freixer, Enrique Carrillo de Santa Pau, Ana Ramírez de Molina, Javier Ortega-Garcia
Maintaining a healthy lifestyle has become increasingly challenging in today's sedentary society marked by poor eating habits.
no code implementations • 20 Oct 2022 • Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Javier Ortega-Garcia
Several works related to information fusion for signature verification have been presented.
no code implementations • 20 Oct 2022 • Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Francisco del-Valle, Javier Ortega-Garcia
On-line signature verification for Tablet PC devices is studied.
1 code implementation • 6 Oct 2022 • Giuseppe Stragapede, Ruben Vera-Rodriguez, Ruben Tolosana, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia, Sanka Rasnayaka, Sachith Seneviratne, Vipula Dissanayake, Jonathan Liebers, Ashhadul Islam, Samir Brahim Belhaouari, Sumaiya Ahmad, Suraiya Jabin
This paper describes the experimental framework and results of the IJCB 2022 Mobile Behavioral Biometrics Competition (MobileB2C).
no code implementations • 12 Jul 2022 • Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Javier Ortega-Garcia
Fingerprint image quality affects heavily the performance of fingerprint recognition systems.
no code implementations • 12 Jul 2022 • Julian Fierrez-Aguilar, Luis-Miguel Muñoz-Serrano, Fernando Alonso-Fernandez, Javier Ortega-Garcia
The effect of image quality degradation on the verification performance of automatic fingerprint recognition is investigated.
no code implementations • 11 Jul 2022 • Javier Galbally, Fernando Alonso-Fernandez, Julian Fierrez, Javier Ortega-Garcia
A new fingerprint parameterization for liveness detection based on quality measures is presented.
no code implementations • 11 Jul 2022 • Javier Galbally, Julian Fierrez-Aguilar, Joaquin Rodriguez-Gonzalez, Fernando Alonso-Fernandez, Javier Ortega-Garcia, Marino Tapiador
A new method to generate gummy fingers is presented.
no code implementations • 3 May 2022 • Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez, Javier Ortega-Garcia
Architectures based on Recurrent Neural Networks (RNNs) have been successfully applied to many different tasks such as speech or handwriting recognition with state-of-the-art results.
no code implementations • 17 Nov 2021 • Javier Ortega-Garcia, Julian Fierrez, Fernando Alonso-Fernandez, Javier Galbally, Manuel R Freire, Joaquin Gonzalez-Rodriguez, Carmen Garcia-Mateo, Jose-Luis Alba-Castro, Elisardo Gonzalez-Agulla, Enrique Otero-Muras, Sonia Garcia-Salicetti, Lorene Allano, Bao Ly-Van, Bernadette Dorizzi, Josef Kittler, Thirimachos Bourlai, Norman Poh, Farzin Deravi, Ming NR Ng, Michael Fairhurst, Jean Hennebert, Andreas Humm, Massimo Tistarelli, Linda Brodo, Jonas Richiardi, Andrezj Drygajlo, Harald Ganster, Federico M Sukno, Sri-Kaushik Pavani, Alejandro Frangi, Lale Akarun, Arman Savran
It is comprised of more than 600 individuals acquired simultaneously in three scenarios: 1) over the Internet, 2) in an office environment with desktop PC, and 3) in indoor/outdoor environments with mobile portable hardware.
no code implementations • 17 Nov 2021 • Fernando Alonso-Fernandez, Julian Fierrez, Javier Ortega-Garcia
Biometric technology has been increasingly deployed in the past decade, offering greater security and convenience than traditional methods of personal recognition.
no code implementations • 17 Nov 2021 • Norman Poh, Thirimachos Bourlai, Josef Kittler, Lorene Allano, Fernando Alonso-Fernandez, Onkar Ambekar, John Baker, Bernadette Dorizzi, Omolara Fatukasi, Julian Fierrez, Harald Ganster, Javier Ortega-Garcia, Donald Maurer, Albert Ali Salah, Tobias Scheidat, Claus Vielhauer
The cost-sensitive evaluation, on the other hand, investigates how well a fusion algorithm can perform given restricted computation and in the presence of software and hardware failures, resulting in errors such as failure-to-acquire and failure-to-match.
no code implementations • 14 Nov 2021 • Fernando Alonso-Fernandez, Julian Fierrez, Javier Ortega-Garcia, Joaquin Gonzalez-Rodriguez, Hartwig Fronthaler, Klaus Kollreider, Josef Bigun
One of the open issues in fingerprint verification is the lack of robustness against image-quality degradation.
no code implementations • 2 Nov 2021 • Javier Galbally, Fernando Alonso-Fernandez, Julian Fierrez, Javier Ortega-Garcia
A new software-based liveness detection approach using a novel fingerprint parameterization based on quality related features is proposed.
no code implementations • 2 Nov 2021 • Julian Fierrez, Javier Galbally, Javier Ortega-Garcia, Manuel R Freire, Fernando Alonso-Fernandez, Daniel Ramos, Doroteo Torre Toledano, Joaquin Gonzalez-Rodriguez, Juan A Siguenza, Javier Garrido-Salas, E Anguiano, Guillermo Gonzalez-de-Rivera, Ricardo Ribalda, Marcos Faundez-Zanuy, JA Ortega, Valentín Cardeñoso-Payo, A Viloria, Carlos E Vivaracho, Q Isaac Moro, Juan J Igarza, J Sanchez, Inmaculada Hernaez, Carlos Orrite-Urunuela, Francisco Martinez-Contreras, Juan José Gracia-Roche
A new multimodal biometric database, acquired in the framework of the BiosecurID project, is presented together with the description of the acquisition setup and protocol.
no code implementations • 30 Oct 2021 • Virginia Ruiz-Albacete, Pedro Tome-Gonzalez, Fernando Alonso-Fernandez, Javier Galbally, Julian Fierrez, Javier Ortega-Garcia
In this contribution, the vulnerabilities of iris-based recognition systems to direct attacks are studied.
no code implementations • 30 Oct 2021 • Fernando Alonso-Fernandez, Pedro Tome-Gonzalez, Virginia Ruiz-Albacete, Javier Ortega-Garcia
We extract characteristic SIFT feature points in scale space and perform matching based on the texture information around the feature points using the SIFT operator.
1 code implementation • 9 Sep 2021 • Ignacio Serna, Daniel DeAlcala, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia
This paper is the first to explore an automatic way to detect bias in deep convolutional neural networks by simply looking at their weights.
1 code implementation • 13 Aug 2021 • Ruben Tolosana, Ruben Vera-Rodriguez, Carlos Gonzalez-Garcia, Julian Fierrez, Aythami Morales, Javier Ortega-Garcia, Juan Carlos Ruiz-Garcia, Sergio Romero-Tapiador, Santiago Rengifo, Miguel Caruana, Jiajia Jiang, Songxuan Lai, Lianwen Jin, Yecheng Zhu, Javier Galbally, Moises Diaz, Miguel Angel Ferrer, Marta Gomez-Barrero, Ilya Hodashinsky, Konstantin Sarin, Artem Slezkin, Marina Bardamova, Mikhail Svetlakov, Mohammad Saleem, Cintia Lia Szucs, Bence Kovari, Falk Pulsmeyer, Mohamad Wehbi, Dario Zanca, Sumaiya Ahmad, Sarthak Mishra, Suraiya Jabin
This article presents SVC-onGoing, an on-going competition for on-line signature verification where researchers can easily benchmark their systems against the state of the art in an open common platform using large-scale public databases, such as DeepSignDB and SVC2021_EvalDB, and standard experimental protocols.
1 code implementation • 1 Jun 2021 • Ruben Tolosana, Ruben Vera-Rodriguez, Carlos Gonzalez-Garcia, Julian Fierrez, Santiago Rengifo, Aythami Morales, Javier Ortega-Garcia, Juan Carlos Ruiz-Garcia, Sergio Romero-Tapiador, Jiajia Jiang, Songxuan Lai, Lianwen Jin, Yecheng Zhu, Javier Galbally, Moises Diaz, Miguel Angel Ferrer, Marta Gomez-Barrero, Ilya Hodashinsky, Konstantin Sarin, Artem Slezkin, Marina Bardamova, Mikhail Svetlakov, Mohammad Saleem, Cintia Lia Szücs, Bence Kovari, Falk Pulsmeyer, Mohamad Wehbi, Dario Zanca, Sumaiya Ahmad, Sarthak Mishra, Suraiya Jabin
This paper describes the experimental framework and results of the ICDAR 2021 Competition on On-Line Signature Verification (SVC 2021).
no code implementations • 15 May 2020 • Aythami Morales, Alejandro Acien, Julian Fierrez, John V. Monaco, Ruben Tolosana, Ruben Vera-Rodriguez, Javier Ortega-Garcia
Behavioral biometrics can be powerful tools in this fight.
1 code implementation • 24 Feb 2020 • Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez, Javier Ortega-Garcia
Deep learning has become a breathtaking technology in the last years, overcoming traditional handcrafted approaches and even humans for many different tasks.
1 code implementation • 28 Jan 2020 • Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez, Javier Ortega-Garcia
ii) We perform a complete analysis of the proposed approach considering both traditional authentication systems such as Dynamic Time Warping (DTW) and novel approaches based on Recurrent Neural Networks (RNNs).
2 code implementations • 1 Jan 2020 • Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez, Aythami Morales, Javier Ortega-Garcia
The free access to large-scale public databases, together with the fast progress of deep learning techniques, in particular Generative Adversarial Networks, have led to the generation of very realistic fake content with its corresponding implications towards society in this era of fake news.
1 code implementation • 10 Dec 2019 • Javier Hernandez-Ortega, Roberto Daza, Aythami Morales, Julian Fierrez, Javier Ortega-Garcia
We present a platform for student monitoring in remote education consisting of a collection of sensors and software that capture biometric and behavioral data.
no code implementations • 28 Feb 2019 • Ruben Tolosana, Marta Gomez-Barrero, Christoph Busch, Javier Ortega-Garcia
The increased need for unattended authentication in multiple scenarios has motivated a wide deployment of biometric systems in the last few years.