Javier Ortega-Garcia

According to our database1, Javier Ortega-Garcia
  • authored at least 160 papers between 1993 and 2018.
  • has a "Dijkstra number"2 of five.

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Bibliography

2018
Exploring Recurrent Neural Networks for On-Line Handwritten Signature Biometrics.
IEEE Access, 2018

2017
Complexity-Based Biometric Signature Verification.
Proceedings of the 14th IAPR International Conference on Document Analysis and Recognition, 2017

Biometric Signature Verification Using Recurrent Neural Networks.
Proceedings of the 14th IAPR International Conference on Document Analysis and Recognition, 2017

Exploring automatic extraction of body-based soft biometrics.
Proceedings of the International Carnahan Conference on Security Technology, 2017

Humans in the loop: Study of semi-automatic signature recognition based on attributes.
Proceedings of the International Carnahan Conference on Security Technology, 2017

Body Shape-Based Biometric Person Recognition from mmW Images.
Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

2016
Keystroke Biometrics Ongoing Competition.
IEEE Access, 2016

On the evaluation of human ratings for signature recognition.
Proceedings of the IEEE International Carnahan Conference on Security Technology, 2016

Dealing with occlusions in face recognition by region-based fusion.
Proceedings of the IEEE International Carnahan Conference on Security Technology, 2016

KBOC: Keystroke biometrics OnGoing competition.
Proceedings of the 8th IEEE International Conference on Biometrics Theory, 2016

2015
Publisher's Erratum to: Voice Device.
Proceedings of the Encyclopedia of Biometrics, Second Edition, 2015

Voice Device.
Proceedings of the Encyclopedia of Biometrics, Second Edition, 2015

Fusion, User-Specific.
Proceedings of the Encyclopedia of Biometrics, Second Edition, 2015

Synthesis of large scale hand-shape databases for biometric applications.
Pattern Recognition Letters, 2015

Pre-registration of latent fingerprints based on orientation field.
IET Biometrics, 2015

Feature exploration for biometric recognition using millimetre wave body images.
EURASIP J. Image and Video Processing, 2015

Preprocessing and Feature Selection for Improved Sensor Interoperability in Online Biometric Signature Verification.
IEEE Access, 2015

Update strategies for HMM-based dynamic signature biometric systems.
Proceedings of the 2015 IEEE International Workshop on Information Forensics and Security, 2015

E-biosign: stylus- and finger-input multi-device database for dynamic signature recognition.
Proceedings of the 3rd International Workshop on Biometrics and Forensics, 2015

Feature-based dynamic signature verification under forensic scenarios.
Proceedings of the 3rd International Workshop on Biometrics and Forensics, 2015

Increasing the robustness of biometric templates for dynamic signature biometric systems.
Proceedings of the International Carnahan Conference on Security Technology, 2015

Score normalization for keystroke dynamics biometrics.
Proceedings of the International Carnahan Conference on Security Technology, 2015

Optimal feature selection and inter-operability compensation for on-line biometric signature authentication.
Proceedings of the International Conference on Biometrics, 2015

One-handed Keystroke Biometric Identification Competition.
Proceedings of the International Conference on Biometrics, 2015

Enhanced on-line signature verification based on skilled forgery detection using Sigma-LogNormal Features.
Proceedings of the International Conference on Biometrics, 2015

e-BioSign tool: Towards scientific assessment of dynamic signatures under forensic conditions.
Proceedings of the IEEE 7th International Conference on Biometrics Theory, 2015

Keystroke dynamics recognition based on personal data: A comparative experimental evaluation implementing reproducible research.
Proceedings of the IEEE 7th International Conference on Biometrics Theory, 2015

Pose Variability Compensation Using Projective Transformation Forensic Face Recognition.
Proceedings of the BIOSIG 2015, 2015

2014
Fingerprint Anti-spoofing in Biometric Systems.
Proceedings of the Handbook of Biometric Anti-Spoofing, 2014

A novel hand reconstruction approach and its application to vulnerability assessment.
Inf. Sci., 2014

Biografo: An Integrated Tool for Forensic Writer Identification.
Proceedings of the Computational Forensics, 2014

Partial fingerprint registration for forensics using minutiae-generated orientation fields.
Proceedings of the 2nd International Workshop on Biometrics and Forensics, 2014

Pre-registration for Improved Latent Fingerprint Identification.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Comparison of Body Shape Descriptors for Biometric Recognition Using MMW Images.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Towards Predicting Good Users for Biometric Recognition Based on Keystroke Dynamics.
Proceedings of the Computer Vision - ECCV 2014 Workshops, 2014

2013
Comparative Analysis and Fusion of Spatiotemporal Information for Footstep Recognition.
IEEE Trans. Pattern Anal. Mach. Intell., 2013

Iris image reconstruction from binary templates: An efficient probabilistic approach based on genetic algorithms.
Computer Vision and Image Understanding, 2013

Comparative Analysis of the Variability of Facial Landmarks for Forensics Using CCTV Images.
Proceedings of the Image and Video Technology - 6th Pacific-Rim Symposium, 2013

Analysis of Gait Recognition on Constrained Scenarios with Limited Data Information.
Proceedings of the Highlights on Practical Applications of Agents and Multi-Agent Systems, 2013

Understanding the discrimination power of facial regions in forensic casework.
Proceedings of the 1st International Workshop on Biometrics and Forensics, 2013

A novel approach of gait recognition through fusion with footstep information.
Proceedings of the International Conference on Biometrics, 2013

Variations of handwritten signatures with time: A sigma-lognormal analysis.
Proceedings of the International Conference on Biometrics, 2013

Fusion of Facial Regions Using Color Information in a Forensic Scenario.
Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2013

Multimodal Biometric Fusion: A Study on Vulnerabilities to Indirect Attacks.
Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2013

2012
BioSecure signature evaluation campaign (BSEC'2009): Evaluating online signature algorithms depending on the quality of signatures.
Pattern Recognition, 2012

Synthetic on-line signature generation. Part I: Methodology and algorithms.
Pattern Recognition, 2012

Synthetic on-line signature generation. Part II: Experimental validation.
Pattern Recognition, 2012

Quality Measures in Biometric Systems.
IEEE Security & Privacy, 2012

A high performance fingerprint liveness detection method based on quality related features.
Future Generation Comp. Syst., 2012

Inverse biometrics: A case study in hand geometry authentication.
Proceedings of the 21st International Conference on Pattern Recognition, 2012

Face verification put to test: A hill-climbing attack based on the uphill-simplex algorithm.
Proceedings of the 5th IAPR International Conference on Biometrics, 2012

Iris liveness detection based on quality related features.
Proceedings of the 5th IAPR International Conference on Biometrics, 2012

Variability Compensation Using NAP for Unconstrained Face Recognition.
Proceedings of the Distributed Computing and Artificial Intelligence, 2012

2011
An evaluation of indirect attacks and countermeasures in fingerprint verification systems.
Pattern Recognition Letters, 2011

Predicting iris vulnerability to direct attacks based on quality related features.
Proceedings of the International Carnahan Conference on Security Technology, 2011

Hill-Climbing Attack Based on the Uphill Simplex Algorithm and Its Application to Signature Verification.
Proceedings of the Biometrics and ID Management, 2011

2010
Cancelable Templates for Sequence-Based Biometrics with Application to On-line Signature Recognition.
IEEE Trans. Systems, Man, and Cybernetics, Part A, 2010

An evaluation of direct attacks using fake fingers generated from ISO templates.
Pattern Recognition Letters, 2010

On the vulnerability of face verification systems to hill-climbing attacks.
Pattern Recognition, 2010

The Multiscenario Multienvironment BioSecure Multimodal Database (BMDB).
IEEE Trans. Pattern Anal. Mach. Intell., 2010

BiosecurID: a multimodal biometric database.
Pattern Anal. Appl., 2010

Exploiting Character Class Information in Forensic Writer Identification.
Proceedings of the Computational Forensics - 4th International Workshop, 2010

Analysis of Time Domain Information for Footstep Recognition.
Proceedings of the Advances in Visual Computing - 6th International Symposium, 2010

Acquisition Scenario Analysis for Face Recognition at a Distance.
Proceedings of the Advances in Visual Computing - 6th International Symposium, 2010

Towards a Better Understanding of the Performance of Latent Fingerprint Recognition in Realistic Forensic Conditions.
Proceedings of the 20th International Conference on Pattern Recognition, 2010

DooDB: A Graphical Password Database Containing Doodles and Pseudo-Signatures.
Proceedings of the International Conference on Frontiers in Handwriting Recognition, 2010

Kinematical Analysis of Synthetic Dynamic Signatures Using the Sigma-Lognormal Model.
Proceedings of the International Conference on Frontiers in Handwriting Recognition, 2010

Forensic Writer Identification Using Allographic Features.
Proceedings of the International Conference on Frontiers in Handwriting Recognition, 2010

Face Recognition at a Distance: Scenario Analysis and Applications.
Proceedings of the Distributed Computing and Artificial Intelligence, 2010

Scenario-based score fusion for face recognition at a distance.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2010

2009
Voice Device.
Proceedings of the Encyclopedia of Biometrics, 2009

Fusion, User-Specific.
Proceedings of the Encyclopedia of Biometrics, 2009

Benchmarking quality-dependent and cost-sensitive score-level multimodal biometric fusion algorithms.
IEEE Trans. Information Forensics and Security, 2009

Fusion of static image and dynamic information for signature verification.
Proceedings of the International Conference on Image Processing, 2009

Improving the Enrollment in Dynamic Signature Verfication with Synthetic Samples.
Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

Evaluation of Brute-force Attack to Dynamic Signature Verification Using Synthetic Samples.
Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

Robustness of Signature Verification Systems to Imitators with Increasing Skills.
Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

Biometrics beyond the Visible Spectrum: Imaging Technologies and Applications.
Proceedings of the Biometric ID Management and Multimodal Communication, 2009

Vulnerability Assessment of Fingerprint Matching Based on Time Analysis.
Proceedings of the Biometric ID Management and Multimodal Communication, 2009

Biometric Database Acquisition Close to "Real World" Conditions.
Proceedings of the Development of Multimodal Interfaces: Active Listening and Synchrony, 2009

Comparison of Distance-Based Features for Hand Geometry Authentication.
Proceedings of the Biometric ID Management and Multimodal Communication, 2009

2008
Fingerprint Image-Quality Estimation and its Application to Multialgorithm Verification.
IEEE Trans. Information Forensics and Security, 2008

Performance of fingerprint quality measures depending on sensor technology.
J. Electronic Imaging, 2008

BioSec Multimodal Biometric Database in Text-Dependent Speaker Recognition.
Proceedings of the International Conference on Language Resources and Evaluation, 2008

Towards mobile authentication using dynamic signature verification: Useful features and performance evaluation.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Performance and robustness: A trade-off in dynamic signature verification.
Proceedings of the IEEE International Conference on Acoustics, 2008

Dynamic signature verification with template protection using helper data.
Proceedings of the IEEE International Conference on Acoustics, 2008

Template protection for HMM-based on-line signature authentication.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2008

Direct Attacks Using Fake Images in Iris Verification.
Proceedings of the Biometrics and Identity Management, First European Workshop, 2008

2007
A Comparative Study of Fingerprint Image-Quality Estimation Methods.
IEEE Trans. Information Forensics and Security, 2007

Emulating DNA: Rigorous Quantification of Evidential Weight in Transparent and Testable Forensic Speaker Recognition.
IEEE Trans. Audio, Speech & Language Processing, 2007

Speaker verification using speaker- and test-dependent fast score normalization.
Pattern Recognition Letters, 2007

HMM-based on-line signature verification: Feature extraction and signature modeling.
Pattern Recognition Letters, 2007

Biosec baseline corpus: A multimodal biometric database.
Pattern Recognition, 2007

Biosecure reference systems for on-line signature verification: A study of complementarity.
Annales des Télécommunications, 2007

Combining multiple matchers for fingerprint verification: A case study in biosecure network of excellence.
Annales des Télécommunications, 2007

Automatic Measures for Predicting Performance in Off-Line Signature.
Proceedings of the International Conference on Image Processing, 2007

On The Effects of Sampling Rate and Interpolation in HMM-Based Dynamic Signature Verification.
Proceedings of the 9th International Conference on Document Analysis and Recognition (ICDAR 2007), 2007

On the Applicability of Off-Line Signatures to the Fuzzy Vault Construction.
Proceedings of the 9th International Conference on Document Analysis and Recognition (ICDAR 2007), 2007

Bayesian Hill-Climbing Attack and Its Application to Signature Verification.
Proceedings of the Advances in Biometrics, International Conference, 2007

Biometric Hashing Based on Genetic Selection and Its Application to On-Line Signatures.
Proceedings of the Advances in Biometrics, International Conference, 2007

Feature Selection Based on Genetic Algorithms for On-Line Signature Verification.
Proceedings of the 2007 IEEE Workshop on Automatic Identification Advanced Technologies, 2007

2006
Robust estimation, interpretation and assessment of likelihood ratios in forensic speaker recognition.
Computer Speech & Language, 2006

Using quality measures for multilevel speaker recognition.
Computer Speech & Language, 2006

Editorial.
Computer Speech & Language, 2006

Incorporating Image Quality in Multi-algorithm Fingerprint Verification.
Proceedings of the Advances in Biometrics, International Conference, 2006

Sensor Interoperability and Fusion in Fingerprint Verification: A Case Study using Minutiae-and Ridge-Based Matchers.
Proceedings of the Ninth International Conference on Control, 2006

2005
Target dependent score normalization techniques and their application to signature verification.
IEEE Trans. Systems, Man, and Cybernetics, Part C, 2005

Adapted user-dependent multimodal biometric authentication exploiting general information.
Pattern Recognition Letters, 2005

Discriminative multimodal biometric authentication based on quality measures.
Pattern Recognition, 2005

Bayesian adaptation for user-dependent multimodal biometric authentication.
Pattern Recognition, 2005

Speaker Verification Using Adapted User-Dependent Multilevel Fusion.
Proceedings of the Multiple Classifier Systems, 6th International Workshop, 2005

Fusion of Local and Regional Approaches for On-Line Signature Verification.
Proceedings of the Advances in Biometric Person Authentication, 2005

Sensor Interoperability and Fusion in Signature Verification: A Case Study Using Tablet PC.
Proceedings of the Advances in Biometric Person Authentication, 2005

Combining Multiple Matchers for Fingerprint Verification: A Case Study in FVC2004.
Proceedings of the Image Analysis and Processing, 2005

Between-Source Modelling for Likelihood Ratio Computation in Forensic Biometric Recognition.
Proceedings of the Audio- and Video-Based Biometric Person Authentication, 2005

An On-Line Signature Verification System Based on Fusion of Local and Global Information.
Proceedings of the Audio- and Video-Based Biometric Person Authentication, 2005

2004
A Tutorial on Text-Independent Speaker Verification.
EURASIP J. Adv. Sig. Proc., 2004

Effect of voice disguise on the performance of a forensic automatic speaker recognition system.
Proceedings of the ODYSSEY 2004 - The Speaker and Language Recognition Workshop, Toledo, Spain, May 31, 2004

On robust estimation of likelihood ratios: the ATVS-UPM system at 2003 NFI/TNO forensic evaluation.
Proceedings of the ODYSSEY 2004 - The Speaker and Language Recognition Workshop, Toledo, Spain, May 31, 2004

On the use of quality measures for text-independent speaker recognition.
Proceedings of the ODYSSEY 2004 - The Speaker and Language Recognition Workshop, Toledo, Spain, May 31, 2004

Target Dependent Score Normalization Techniques and Their Application to Signature Verification.
Proceedings of the Biometric Authentication, First International Conference, 2004

Exploiting general knowledge in user-dependent fusion strategies for multimodal biometric verification.
Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

An Off-line Signature Verification System Based on Fusion of Local and Global Information.
Proceedings of the Biometric Authentication, 2004

2003
Extracting the Most Discriminant Subset from a Pool of Candidates to Optimize Discriminant Classifier Training.
Proceedings of the Foundations of Intelligent Systems, 14th International Symposium, 2003

Improving the competitiveness of discriminant neural networks in speaker verification.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Robust likelihood ratio estimation in Bayesian forensic speaker recognition.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Support vector machine fusion of idiolectal and acoustic speaker information in Spanish conversational speech.
Proceedings of the 2003 IEEE International Conference on Multimedia and Expo, 2003

Fusion strategies in multimodal biometric verification.
Proceedings of the 2003 IEEE International Conference on Multimedia and Expo, 2003

Minutiae-based enhanced fingerprint verification assessment relaying on image quality factors.
Proceedings of the 2003 International Conference on Image Processing, 2003

A comparative evaluation of global representation-based schemes for face verification.
Proceedings of the 2003 International Conference on Image Processing, 2003

Multimodal biometric authentication using quality signals in mobile communications.
Proceedings of the 12th International Conference on Image Analysis and Processing (ICIAP 2003), 2003

A real-time auditory-based microphone array assessed with E-RASTI evaluation proposal.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Forensic identification reporting using automatic speaker recognition systems.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Support vector machine fusion of idiolectal and acoustic speaker information in Spanish conversational speech.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Facing Position Variability in Minutiae-Based Fingerprint Verification through Multiple References and Score Normalization Techniques.
Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

Complete Signal Modeling and Score Normalization for Function-Based Dynamic Signature Verification.
Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

U-NORM Likelihood Normalization in PIN-Based Speaker Verification Systems.
Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

A Comparative Evaluation of Fusion Strategies for Multimodal Biometric Verification.
Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

Combining Biometric Evidence for Person Authentication.
Proceedings of the Advanced Studies in Biometrics, Summer School on Biometrics, 2003

2002
A Multilingual Speaker Verification System: Architecture and Performance Evaluation.
Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

Biometric Identification in Forensic Cases According to the Bayesian Approach.
Proceedings of the Biometric Authentication, 2002

2001
On the application of the Bayesian approach in real forensic conditions with GMM-based systems.
Proceedings of the 2001: A Speaker Odyssey, 2001

A comparative study of MLP-based artificial neural networks in text-independent speaker verification against GMM-based systems.
Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Minutiae extraction scheme for fingerprint recognition systems.
Proceedings of the 2001 International Conference on Image Processing, 2001

An Improved Image Enhancement Scheme for Fingerprint Minutiae Extraction in Biometric Identification.
Proceedings of the Audio- and Video-Based Biometric Person Authentication, 2001

2000
AHUMADA: A large speech corpus in Spanish for speaker characterization and identification.
Speech Communication, 2000

Phonetic consistency in Spanish for pin-based speaker verification system.
Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

Speech dereverberation and noise reduction with a combined microphone array approach.
Proceedings of the IEEE International Conference on Acoustics, 2000

A new approach to dereverberation and noise reduction with microphone arrays.
Proceedings of the 10th European Signal Processing Conference, 2000

1999
Facing severe channel variability in forensic speaker verification conditions.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

Concurrent speakers separation through binaural processing of stereo recordings.
Proceedings of the Sixth European Conference on Speech Communication and Technology, 1999

1998
Quantitative influence of speech variability factors for automatic speaker verification in forensic tasks.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

Coherence-based subband decomposition for robust speech and speaker recognition in noisy and reverberant rooms.
Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998

AHUMADA: a large speech corpus in Spanish for speaker identification and verification.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997
Providing single and multi-channel acoustical robustness to speaker identification systems.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

Robust speaker recognition through acoustic array processing and spectral normalization.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1996
Overview of speech enhancement techniques for automatic speaker recognition.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

Increasing robustness in GMM speaker recognition systems for noisy and reverberant speech with low complexity microphone arrays.
Proceedings of the 4th International Conference on Spoken Language Processing, 1996

1993
Single and multi-channel speech enhancement for a word spotting system.
Proceedings of the Third European Conference on Speech Communication and Technology, 1993


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