J. Ortega-Garcia

发表

On the effects of image quality degradation on minutiae- and ridge-based automatic fingerprint recognition

J. Fierrez-Aguilar, L.M. Munoz-Serrano, F. Alonso-Fernandez, 2022, Proceedings 39th Annual 2005 International Carnahan Conference on Security Technology.

On the Effects of Time Variability in Iris Recognition

F. Alonso-Fernandez, J. Ortega-Garcia, P. Tome-Gonzalez, 2008, 2008 IEEE Second International Conference on Biometrics: Theory, Applications and Systems.

Cancelable Biometrics for HMM-based Signature Recognition

J. Ortega-Garcia, E. Maiorana, P. Campisi, 2008, 2008 IEEE Second International Conference on Biometrics: Theory, Applications and Systems.

An enhanced Gabor filter-based segmentation algorithm for fingerprint recognition systems

J. Fierrez-Aguilar, F. Alonso-Fernandez, J. Ortega-Garcia, 2005, ISPA 2005. Proceedings of the 4th International Symposium on Image and Signal Processing and Analysis, 2005..

Comparison of fingerprint quality measures using an optical and a capacitive sensor

F. Alonso-Fernandez, J. Ortega-Garcia, F. Roli, 2007, 2007 First IEEE International Conference on Biometrics: Theory, Applications, and Systems.

Secure access system using signature verification over tablet PC

J. Fierrez-Aguilar, F. Alonso-Fernandez, J. Ortega-Garcia, 2007, IEEE Aerospace and Electronic Systems Magazine.

On-line signature verification using Tablet PC

J. Fierrez-Aguilar, F. Alonso-Fernandez, J. Ortega-Garcia, 2005, ISPA 2005. Proceedings of the 4th International Symposium on Image and Signal Processing and Analysis, 2005..

Hill-Climbing and Brute-Force Attacks on Biometric Systems: A Case Study in Match-on-Card Fingerprint Verification

J. Fierrez-Aguilar, F. Alonso-Fernandez, J. Ortega-Garcia, 2006, Proceedings 40th Annual 2006 International Carnahan Conference on Security Technology.

Impact of Signature Legibility and Signature Type in Off-Line Signature Verification

M.C. Fairhurst, J. Ortega-Garcia, J. Fierrez, 2007, 2007 Biometrics Symposium.

Speech variability in automatic speaker recognition systems for forensic purposes

J. Ortega-Garcia, S. Cruz-Llanas, J. Gonzalez-Rodriguez, 1999, Proceedings IEEE 33rd Annual 1999 International Carnahan Conference on Security Technology (Cat. No.99CH36303).

Universal Background Models for Dynamic Signature Verification

J. Ortega-Garcia, J. Fierrez, M. Martinez-Diaz, 2007, 2007 First IEEE International Conference on Biometrics: Theory, Applications, and Systems.

Authentication gets personal with biometrics

D. Reynolds, J. Ortega-Garcia, J. Gonzalez-Rodriguez, 2004, IEEE Signal Processing Magazine.

Cryptographic key generation using handwritten signature

J. Fierrez-Aguilar, J. Ortega-Garcia, M. Freire-Santos, 2006, SPIE Defense + Commercial Sensing.

On the Vulnerability of Fingerprint Verification Systems to Fake Fingerprints Attacks

J. Fierrez-Aguilar, F. Alonso-Fernandez, J. Ortega-Garcia, 2006, Proceedings 40th Annual 2006 International Carnahan Conference on Security Technology.

Comparison of feature extraction techniques in automatic face recognition systems for security applications

J. Ortega-Garcia, S. Cruz-Llanas, J. Gonzalez-Rodriguez, 2000, Proceedings IEEE 34th Annual 2000 International Carnahan Conference on Security Technology (Cat. No.00CH37083).

Biometric identification through speaker verification over telephone lines

J. Ortega-Garcia, J. Gonzalez-Rodriguez, S. Gruz-Llanas, 1999, Proceedings IEEE 33rd Annual 1999 International Carnahan Conference on Security Technology (Cat. No.99CH36303).

Impact of time variability in off-line writer identification and verification

F. Alonso-Fernandez, J. Ortega-Garcia, J. Fierrez, 2009, 2009 Proceedings of 6th International Symposium on Image and Signal Processing and Analysis.

Millimeter-and Submillimeter-Wave Imaging Technologies for Biometric Purposes

J. Ortega-Garcia, J. Fierrez, Julian Fierrez, 2009 .