212 citations · 2k across the 86 of their papers we have counts for
13 papers · 1 filter
Introduction to Presentation Attack Detection in Fingerprint Biometrics
Javier Galbally, Julian Fierrez, Raffaele Cappelli +1
This chapter provides an introduction to Presentation Attack Detection (PAD) in fingerprint biometrics, also coined anti-spoofing, describes early developments in this field, and b…
Secure access system using signature verification over tablet PC
Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Javier Ortega-Garcia +1
Low-cost portable devices capable of capturing signature signals are being increasingly used. Additionally, the social and legal acceptance of the written signature for authenticat…
Quality-Based Conditional Processing in Multi-Biometrics: Application to Sensor Interoperability
Fernando Alonso-Fernandez, Julian Fierrez, Daniel Ramos +1
As biometric technology is increasingly deployed, it will be common to replace parts of operational systems with newer designs. The cost and inconvenience of reacquiring enrolled u…
BioTouchPass: Handwritten Passwords for Touchscreen Biometrics
Ruben Tolosana, Ruben Vera-Rodriguez, Julian Fierrez
This work enhances traditional authentication systems based on Personal Identification Numbers (PIN) and One-Time Passwords (OTP) through the incorporation of biometric information…
Handwriting Biometrics: Applications and Future Trends in e-Security and e-Health
Marcos Faundez-Zanuy, Julian Fierrez, Miguel A. Ferrer +3
Background- This paper summarizes the state-of-the-art and applications based on online handwritting signals with special emphasis on e-security and e-health fields. Methods- In pa…
BiosecurID: a multimodal biometric database
Julian Fierrez, Javier Galbally, Javier Ortega-Garcia +22
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. The data…
Smartphone Sensors for Modeling Human-Computer Interaction: General Outlook and Research Datasets for User Authentication
Alejandro Acien, Aythami Morales, Ruben Vera-Rodriguez +1
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 interactio…
Keystroke Biometrics in Response to Fake News Propagation in a Global Pandemic
Aythami Morales, Alejandro Acien, Julian Fierrez +4
This work proposes and analyzes the use of keystroke biometrics for content de-anonymization. Fake news have become a powerful tool to manipulate public opinion, especially during…
BeCAPTCHA: Behavioral Bot Detection using Touchscreen and Mobile Sensors benchmarked on HuMIdb
Alejandro Acien, Aythami Morales, Julian Fierrez +2
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 with…
Blockchain in the Internet of Things: Architectures and Implementation
Oscar Delgado-Mohatar, Ruben Tolosana, Julian Fierrez +1
The world is becoming more interconnected every day. With the high technological evolution and the increasing deployment of it in our society, scenarios based on the Internet of Th…
Biometric Template Storage with Blockchain: A First Look into Cost and Performance Tradeoffs
Oscar Delgado-Mohatar, Julian Fierrez, Ruben Tolosana +1
We explore practical tradeoffs in blockchain-based biometric template storage. We first discuss opportunities and challenges in the integration of blockchain and biometrics, with e…
Blockchain and Biometrics: A First Look into Opportunities and Challenges
Oscar Delgado-Mohatar, Julian Fierrez, Ruben Tolosana +1
Blockchain technology has become a thriving topic in the last years, making possible to transform old-fashioned operations to more fast, secured, and cheap approaches. In this stud…
MultiLock: Mobile Active Authentication based on Multiple Biometric and Behavioral Patterns
Alejandro Acien, Aythami Morales, Ruben Vera-Rodriguez +1
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…