Publications

Journal Articles

2023

C. Busch, F. Deravi, D. Frings, E. Kindt, R. Lessmann, A. Nouak, J. Salomon, M. Achcar, F. Alonso-Fernandez, D. Bachenheimer, D. Bethell, J. Bigun, M. Brawley, G. Brockmann, E. Cabello, P. Campisi, A. Cepilovs, M. Clee, M. Cohen, C. Croll, A. Czyzewski, B. Dorizzi, M. Drahansky, P. Drozdowski, C. Fankhauser, J. Fierrez, M. Gomez-Barrero, G. Hasse, R. Guest, E. Komleva, S. Marcel, G. L. Marcialis, L. Mercier, E. Mordini, S. Mouille, P. Navratilova, J. Ortega-Garcia, D. Petrovska, N. Poh, I. Racz, R. Raghavendra, C. Rathgeb, C. Remillet, U. Seidel, L. Spreeuwers, B. Strand, S. Toivonen, A. Uhl, "Facilitating Free Travel in the Schengen Area", IET Biometrics, 2023
L. J. Gonzalez-Soler, M. Gomez-Barrero, C. Busch, "Towards Generalisable Facial Presentation Attack Detection using Facial Region Ensembles", IEEE Access, 2023

2022

E. Piciucco, E. Maiorana, C. Kauba, B. Prommegger, M. Gomez-Barrero, A. Uhl, P. Campisi, "Towards Practical Cancelable Biometrics for Finger Vein Recognition", Elsevier Information Sciences, vol. 585, pp.395-417, March 2022
J. Tapia, M. Gomez-Barrero, R. Lara, A. Valenzuela, C. Busch, "Selfie Periocular Verification using an Efficient Super-Resolution Approach", IEEE Access, vol. 10, pp. 67573 - 67589, June 2022
R. Tolosana, R. Vera-Rodriguez, C. Gonzalez-Garcia, J. Fierrez, A. Morales-Moreno, J. Ortega-Garcia, J. C. Ruiz-Garcia, S. Romero-Tapiador, S. Rengifo, M. Caruana, J. Jiang, S. Lai, L. Jin, Y. Zhu, J. Galbally, M. Diaz, M. A. Ferrer, M. Gomez-Barrero, I. Hodashinsky, K. Sarin, A. Slezkin,

M. Bardamova, M. Svetlakov, M. Saleem, C. Lia Szucs, B. Kovari, F. Pulsmeyer, M. Wehbi, D. Zanca, "SVC-onGoing: Signature Verification Competition", Pattern Recognition, vol. 127, pp. 108609, July 2022
M. Gomez-Barrero, P. Drozdowski, C. Rathgeb, J. Patino, M. Todisco, A. Nautsch, N. Damer, J. Priesnitz, N. Evans, C. Busch, "Biometrics in the Era of COVID-19: Challenges and Opportunities", IEEE Trans. on Technology and Society, Sept. 2022. Available at http://arxiv.org/abs/2102.09258

2021

K. Raja, M. Ferrara, A. Franco, L. Spreeuwers, I. Batskos, F. De Wit, M. Gomez-Barrero, U. Scherhag, D. Fischer, S. Venkatesh, J. M. Singh, G. Li, L. Bergeron, S. Isadskiy, R. Ramachandra. C. Rathgeb, D. Frings, U. Seidel, F. Knopjes, R. Veldhuis, D. Maltoni, C. Busch, "Morphing Attack Detection - Database, Evaluation platform and Benchmarking", IEEE Trans. on Information Forensics and Security, vol. 16, pp. 4333-4351, 2021
L. J. Gonzalez-Soler, M. Gomez-Barrero, L. Chang, A. Perez-Suarez, C. Busch, "Fingerprint presentation attack detection based on local features encoding for unknown attacks", IEEE Access, vol. 9, pp. 5806-5820, 2021
L. J. Gonzalez-Soler, M. Gomez-Barrero, L. Chang, A. Perez-Suarez, C. Busch, "Local Feature Encoding for Unknown Presentation Attack Detection: An Analysis of Different Local Feature Descriptors", IET Biometrics, 2021
J. Kolberg, M. Gomez-Barrero, C. Busch, "On the Generalisation Capabilities of Fingerprint Presentation Attack Detection Methods in the Short Wave Infrared Domain", in IET Biometrics, 2021
J. Kolberg, M. Grimmer, M. Gomez-Barrero, C. Busch, "Detecting Anomalies with Convolutional One-class Autoencoders for Fingerprint Presentation Attack Detection", IEEE Trans. on Biometrics, Behavior, and Identity Science, 2021
J. Kolberg, D. Glänser, R. Breithaupt, M. Gomez-Barrero, J. Reinhold, A. Von Twickel, C. Busch, "On the Effectiveness of Impedance-Based Fingerprint Presentation Attack Detection", Sensors, vol. 21, no. 17, pp. 5686, August 2021
C. Busch, A. Czajka, F. Deravi, P. Drozdowski, M. Gomez-Barrero, G. Hasse, O. Henniger, E. Kindt, J. Kolberg, A, Nouak, K. Raja, R. Raghavendra, C. Rathgeb, J. Salomon, R. Veldhuis, "A Response to the EDPS “Misunderstandings in Biometrics” by the European Association for Biometrics", IET Biometrics, November 2021

2020

R. Tolosana, M. Gomez-Barrero, C. Busch, J. Ortega-Garcia, "Biometric Presentation Attack Detection: Beyond the Visible Spectrum", in IEEE Trans. on Information Forensics and Security, vol. 15, no. 1, pp. 1261-1275, December 2020
M. Gomez-Barrero, J. Galbally, "Reversing the Irreversible: A Survey on Inverse Biometrics", in Elsevier Computers & Security, vol. 90, pp. 101700, March 2020
M. Gomez-Barrero, J. Kolberg, Christoph Busch, "Erkennung von Präsentationsangriffen auf Fingerabdruck Systemen", in Datenschutz und Datensicherheit – DuD, vol. 44, pp. 26-31, January 2020

2019

A. Nautsch, A. Jimenez, A. Treiber, J. Kolberg, C. Jasserand, E. Kindt, H. Delgado, M. Todisco, M. A. Hmani, A. Mtibaa, M. A. Abdelraheem, A. Abad, F. Teixeira, M. Gomez-Barrero, D. Petrovska, G. Chollet, N. Evans, T. Schneider, J.-F. Bonastre, B. Raj, I. Trancoso, C. Busch, "Preserving Privacy in Speaker and Speech Characterisation", in Computer Speech and Language, vol. 58, pp. 441-480, November 2019

2018

M. Gomez-Barrero, C. Rathgeb, U. Scherhag, C. Busch, "Predicting the Vulnerability of Biometric Systems to Attacks based on Morphed Biometric Information", in IET Biometrics, Vol. 7 (4), pp. 333-342, July 2018
M. Gomez-Barrero, C. Rathgeb, G. Li, R. Raghavendra, J. Galbally, C. Busch, "Multi-Biometric Template Protection Based on Bloom Filters", in Information Fusion, Vol. 42, pp. 37-50, July 2018
M. Gomez-Barrero, J. Galbally, C. Rathgeb, C. Busch, "General Framework to Evaluate Unlinkability in Biometric Template Protection Systems", in IEEE Trans. on Information Forensics and Security, vol. 3, no. 6, pp. 1406-1420, June 2018

2017

M. Gomez-Barrero, J. Galbally, A. Morales, J. Fierrez, "Privacy-Preserving Comparison of Variable-Length Data with Application to Biometric Template Protection", in IEEE Access, Vol. 5 (1), pp. 8606-8619, December 2017
M. Gomez-Barrero, E. Maiorana, J. Galbally, P. Campisi, J. Fierrez, "Multi-Biometric Template Protection Based on Homomorphic Encryption", in Pattern Recognition, Vol. 67, pp. 149-163, July 2017
M. Gomez-Barrero, C. Rathgeb, C. Busch, "Standardisierung von Biometric Template Protection: Aktueller Status und Bewertung der Verknüpfbarkeit", in Datenschutz und Datensicherheit (DuD), Vol. 41, no. 7, pp. 422-426, July 2017
M. Gomez-Barrero, "Biometrie und Datenschutz", in Datenschutz und Datensicherheit (DuD), Vol. 41, no. 7, pp. 448, Gateway, July 2017
E. Martiri, N. Gomez-Barrero, B. Yang, C. Busch, "Biometric Template Protection Based on Bloom Filters and Honey Templates", in IET Biometrics, Vol. 6 (1), pp. 19-26, January 2017

2016

A. Morales, J. Fierrez, R. Tolosana, J. Ortega-Garcia, J. Galbally, M. Gomez-Barrero, A. Anjos, S. Marcel, "Keystroke Biometrics Ongoing Competition", in IEEE Access, Vol. 4, pp. 7736-7746, November 2016
M. Gomez-Barrero, C. Rathgeb, J. Galbally, C. Busch, J. Fierrez, "Unlinkable and irreversible biometric template protection based on Bloom filters", in Information Sciences, Vol. 370-371, pp. 18-32, November 2016

2015

J. Galbally, M. Diaz-Cabrera, M. A. Ferrer, M. Gomez-Barrero, A. Morales, J. Fierrez, "On-line signature recognition through the combination of real dynamic data and synthetically generated static data", Pattern Recognition, vol. 48, pp. 2921–2934, 2015

2014

M. Gomez-Barrero, J. Galbally, J. Fierrez, "Efficient software attack to multimodal biometric systems and its application to face and iris fusion", Pattern Recognition Letters, vol. 36, pp. 243–253, 2014
M. Gomez-Barrero, J. Galbally, A. Morales, M. A. Ferrer, J. Fierrez, J. Ortega-Garcia, "A novel hand reconstruction approach and its application to vulnerability assessment", Information Sciences, vol. 268, pp. 103–121, 2014

2013

J. Galbally, A. Ross, M. Gomez-Barrero, J. Fierrez, J. Ortega-Garcia, "Iris image reconstruction from binary templates: An efficient probabilistic approach based on genetic algorithms", Computer Vision and Image Understanding, vol. 117, no. 10, pp. 1512–1525, 2013, Selected for Elsevier Virtual Issue: Celebrating the Breadth of Biometrics Research

Book Chapters

2023

L. J. Gonzalez-Soler, M. Gomez-Barrero, J. Patino, M. Todisco, N. Evans, C. Busch, "Fishers Vector for Biometric Presentation Attack Detection", Handbook of Biometric Anti-Spoofing: Presentation Attack Detection and Vulnerability Assessment, 2023
A. Morales, J. Fierrez, J. Galbally, M. Gomez-Barrero, "Introduction to Iris Presentation Attack Detection in Iris Biometrics and Recent Advances", Handbook of Biometric Anti-Spoofing: Presentation Attack Detection and Vulnerability Assessment, 2023
K. Raja, R. Raghavendra, S. Venkatesh, M. Gomez-Barrero, C. Rathgeb, C. Busch, "Vision Transformers against CNNs for Fingerprint Presentation Attack Detection: Generalizability and Explainability", Handbook of Biometric Anti-Spoofing: Presentation Attack Detection and Vulnerability Assessment, 2023

2021

M. Gomez-Barrero, "Finger vein", Encyclopedia of Cryptography, Security and Privacy, 2021

2020

M. Gomez-Barrero, R. Tolosana, J. Kolberg, C. Busch, "On the Use of Multi-Spectral Short Wave Infrared Sensors and Convolutional Neural Networks for Biometric Presentation Attack Detection", Artificial Intelligence and Deep Learning in Biometric Security: Trends, Potential and Challenge, CRC, 2020

2019

J. Kolberg, M. Gomez-Barrero, S. Venkatesh, R. Raghavendra, C. Busch, "Presentation Attack Detection for Finger Recognition", Handbook of Vascular Biometrics, A. Uhl, C. Busch, S. Marcel and R. Veldhuis, November 2019
V. Krivokuća, M. Gomez-Barrero, S. Marcel, C. Rathgeb, C. Busch, "Towards Measuring the Amount of Discriminatory Information in Finger Vein Biometric Characteristics Using a Relative Entropy Estimator", Handbook of Vascular Biometrics, A. Uhl, C. Busch, S. Marcel and R. Veldhuis, November 2019
A. Morales, J. Fierrez, J. Galbally, M. Gomez-Barrero, "Introduction to Iris Presentation Attack Detection", Handbook of Biometric Anti-Spoofing, S. Marcel et al., January 2019.
K.. B. Raja, R. Raghavendra, S. Venkatesh, M. Gomez-Barrero, C. Rathgeb, C. Busch, "A Study of Handcrafted and Naturally Learned Features for Fingerprint Presentation Attack Detection", Handbook of Biometric Anti-Spoofing, S. Marcel et al., January 2019.

2017

M. Gomez-Barrero, J. Galbally, "Inverse Biometrics and Privacy", in User-Centric Privacy and Security in Biometrics, IET, November 2017.
M. Gomez-Barrero, J. Galbally, "Software Attacks on Iris Recognition Systems", in Iris and Periocular Biometrics, IET, August 2017.
J. Galbally, M. Gomez-Barrero, "Presentation Attack Detection in Iris Recognition", in Iris and Periocular Biometrics, IET, August 2017.

Peer-Reviewed Conferences

2022

M. Ibsen, L. J. Gonzalez-Soler, C. Rathgeb, P. Drozdowski, M. Gomez-Barrero, C. Busch, "Differential Anomaly Detection for Facial Images", Proc. Int. Workshop on Information Forensics and Security (WIFS), 2021. Best Paper Award
L. J. Gonzalez-Soler, M. Gomez-Barrero, J. Patino, M Kamble, M. Todisco, C. Busch, "Dual-Stream Temporal CNNs for Voice PAD", Proc. Int. Workshop on Biometrics and Forensics (IWBF), 2022
T. Wingarz, M. Gomez-Barrero, C. Busch, M. Fischer, "Privacy-Preserving Convolutional Neural Networks Using Homomorphic Encryption", Proc. Int. Workshop on Biometrics and Forensics (IWBF), 2022
L. J. Gonzalez-Soler, K. A. Barhaugen, M. Gomez-Barrero, C. Busch, "When Biometric Systems become Presentation Attack Detectors: An Analysis of Interoperability", Proc. International Conference of the Biometrics Special Interest Group (BIOSIG), 2022

2021

R. Tolosana, R. Vera-Rodriguez, C. Gonzalez-Garcia, J. Fierrez, S. Rengifo, A. Morales, J. Ortega-Garcia, J. C. Ruiz-Garcia, S. Romero-Tapiador, J. Jiang, S. Lai, L. Jin, Y. Zhu, J. Galbally, M. Diaz, M. A. Ferrer, M. Gomez-Barrero, I. Hodashinsky, K. Sarin, A. Slezkin, M. Bardamova, M. Svetlakov, M. Saleem, C. L. Szücs, B. Kovari, F. Pulsmeyer, M. Wehbi, D. Zanca, S. Ahmad, S. Mishra, S. Jabin, "ICDAR 2021 Competition on On-Line Signature Verification", in Proc. Int. Conf. On Document Analysis and Recognition (ICDAR), 2021
L. J. Gonzalez-Soler, M. Gomez-Barrero, M. Günther and C. Busch, "Analysing the feasibility of using Objectosphere for Face Presentation Attack Detection", in Proc. Norwegian IT-Security Cons. (NISK), 2021

2020

L. J. González-Soler, M. Gomez-Barrero, C. Busch, "Fisher Vector Encoding of Dense-BSIF Features for Unknown Face Presentation Attack Detection", in Proc. International Conference of the Biometrics Special Interest Group (BIOSIG), 2020
L. J. González-Soler, J. Patino, M. Gomez-Barrero, M. Todisco, C. Busch, N. Evans, "Texture-based Presentation Attack Detection for Automatic Speaker Verification", in Proc. Int. Workshop on Information Forensics and Security (WIFS), 2020
L. J. González-Soler, M. Gomez-Barrero, C. Busch, "Evaluating the Sensitivity of Face Presentation Attack Detection Techniques to Images of Varying Resolutions”, in Norwegian Information Security Conf. (NISK), 2020
J. Tapia-Farias, M. Gomez-Barrero, C. Busch, "An Efficient Super-Resolution Single Image Network using Sharpness Loss Metrics for Iris", in Proc. Int. Workshop on Information Forensics and Security (WIFS), 2020
J. Kolberg, P. Drozdowski, M. Gomez-Barrero, C. Rathgeb, C. Busch, "Efficiency Analysis of Post-quantum-secure Face Template Protection Schemes based on Homomorphic Encryption", in Proc. International Conference of the Biometrics Special Interest Group (BIOSIG), 2020
J. Kolberg, A. Vasile, M. Gomez-Barrero, C. Busch, "Analysing the Performance of LSTMs and CNNs for Fingerprint Presentation Attack Detection", in Proc. Int. Joint Conf. On Biometrics (IJCB), 2020

2019

M. Gomez-Barrero, C, Busch, "Multi-Spectral Convolutional Neural Networks for Biometric Presentation Attack Detection", in Proc. Norwegian Information Security Conference (NISK), Narvik, Norway, November 2019.
J. Kolberg, P. Bauspieß, M. Gomez-Barrero, C. Rathgeb, M. Dürmuth, C. Busch, "Template Protection based on Homomorphic Encryption: Computational Efficient Application to Iris-Biometric Verification and Identification", in Proc. IEEE Workshop on Information Forensics and Security (WIFS), Delft, Netherlands, December 2019
M. Gomez-Barrero, J. Kolberg, C. Busch, "Multi-Modal Fingerprint Presentation Attack Detection: Looking at the Surface and the Inside", in Proc. Int. Conf. on Biometrics (ICB), Crete, Greece, June 2019
L. J. Gonzalez-Soler, M. Gomez-Barrero, L. Chang, J. Hernandez-Palancar, C. Busch, "On the Impact of Different Fabrication Materials on Fingerprint Presentation Attack Detection", in Proc. Int. Conf. on Biometrics (ICB), Crete, Greece, June 2019

2018

M. Gomez-Barrero, J. Kolberg, C. Busch, "Towards Multi-Modal Finger Presentation Attack Detection", in Proc. Int. Conf. on Signal Image Technology & Internet Based Systems (SITIS), Las Palmas de Gran Canaria, Spain, November 2018.
R. Tolosana, M. Gomez-Barrero, J. Kolberg, A. Morales, C. Busch, J. Ortega-Garcia, "Towards Fingerprint Presentation Attack Detection Based on Convolutional Neural Networks and Short Wave Infrared Imaging", in Proc. Int. Conf. of the Biometrics Special Interest Group (BIOSIG), Darmstadt, Germany, September 2018.
P. Keilbach, J. Kolberg, M. Gomez-Barrero, C. Busch, H. Langweg, "Fingerprint Presentation Attack Detection using Laser Speckle Contrast Imaging", in Proc. Int. Conf. of the Biometrics Special Interest Group (BIOSIG), Darmstadt, Germany, September 2018.
D. Osorio-Roig, C. Rathgeb, M. Gomez-Barrero, A. Morales-González, E. Garea-Llano, C. Busch, "Visible Wavelength Iris Segmentation: A Multi-Class Approach using Fully Convolutional Neuronal Networks", in Proc. Int. Conf. of the Biometrics Special Interest Group (BIOSIG), Darmstadt, Germany, September 2018.
M. Gomez-Barrero, J. Kolberg, C. Busch, "Towards Fingerprint Presentation Attack Detection Based on Short Wave Infrared Imaging and Spectral Signatures", in Proc. Norwegian Information Security Conference (NISK), Svalbard, Norway, September 2018.
P. Drozdowski, S. Garg, C. Rathgeb, M. Gomez-Barrero, D. Chang, C. Busch, "Privacy-Preserving Indexing of Iris-Codes with Cancelable Bloom Filter-based Search Structures", in Proc. European Signal Processing Conference (EUSIPCO), Rome, Italy, September 2018.
U. Scherhag, D. Budhrani, M. Gomez-Barrero, C. Busch, "Detecting Morphed Face Images Using Facial Landmarks", in Proc. Int. Conf. on Image and Signal Processing (ICISP), Cherbourg, France, July 2018.
A. Nautsch, S. Isadskiy, J. Kolberg, M. Gomez-Barrero, C. Busch, "Homomorphic Encryption for Speaker Recognition: Protection of Biometric Templates and Vendor Model Parameters", in Proc. Odyssey, Les Sables d’Olonne, France, June 2018.

2017

L. J. Gonzalez-Soler, L. Chang, J. Hernandez-Palancar, A. Perez Suarez, M. Gomez-Barrero, "Fingerprint Presentation Attack Detection Method based on a Bag-of-Words Approach", in Proc. IberoAmerican Congress on Pattern Recognition (CIARP), Valparaiso, Chile, November 2017
J. Galbally, M. Gomez-Barrero, A. Ross, "Accuracy evaluation of handwritten signature verification: Rethinking the random-skilled forgeries dichotomy", in Proc. International Joint Conference on Biometrics (IJCB), Denver, US, October 2017
U. Scherhag, A. Nautsch, C. Rathgeb, M. Gomez-Barrero, R. Veldhuis, L. Spreeuwers, M. Schils, D. Maltoni, P. Grother, S. Marcel, R. Breithaupt, R. Raghavendra, C. Busch, "Biometric Systems under Morphing Attacks: Assessment of Morphing Techniques and Vulnerability Reporting", in Proc. Int. Conf. of the Biometrics Special Interest Group (BIOSIG), Darmstadt, Germany, September 2017
M. Gomez-Barrero, C. Rathgeb, K. Raja, R. Raghavendra, C. Busch, "Biometric Symmetry: Implications on Template Protection", in Proc. European Signal Processing Conference (EUSIPCO), Kos Island, Greece, August 2017
M. Gomez-Barrero, C. Rathgeb, U. Scherhag, C. Busch, "Is Your Biometric System Robust to Morphing Attacks?", in Proc. International Workshop on Biometrics and Forensics (IWBF), Coventry, UK, April 2017. Finalist for the Best Paper Award
U. Scherhag, R. Raghavendra, K. Raja, M. Gomez-Barrero, C. Rathgeb, C. Busch, "On the Vulnerability and Detection of Digital Morphed and Scanned Face Images", in Proc. International Workshop on Biometrics and Forensics (IWBF), Coventry, UK, April 2017

2016

M. Stokkenes, M. Sigaard, K. Raja, R. Raghavendra, M. Gomez-Barrero, C. Busch, "Multi-Biometric Template Protection – A Security Analysis of Binarized Statistical Features for Bloom Filters on Smartphones", In Proc. Int. Conf. on Image Processing Theory, Tools and Applications (IPTA), Oulu (Finland), December 2016
M. Stokkenes, R. Raghavendra, K. Raja, M. Sigaard, M. Gomez-Barrero, C. Busch, "Multi-Biometric Template Protection on Smartphones: An Approach based on Binarized Statistical Features and Bloom Filters", In Proc. IberoAmerican Congress on Pattern Recognition (CIARP), Lima (Peru), November 2016
J. Galbally, M. Gomez-Barrero, "A review of iris anti-spoofing", in Int. Workshop on Biometrics and Forensics (IWBF), 2016
A. Morales, J. Fierrez, M. Gomez-Barrero, J. Ortega-Garcia, "Kboc: keystroke biometrics ongoing competition", in Proc. Int. Conf. on Biometrics: Theory, Applications, and Systems (BTAS), 2016
M. Gomez-Barrero, J. Galbally, J. Fierrez, "Variable-length template protection based on Homomorphic Encryption with application to signature biometrics", in Proc. Int. Workshop on Biometrics and Forensics (IWBF), 2016
M. Gomez-Barrero, J. Galbally, E. Maiorana, P. Campisi, J. Fierrez, "Implementation of fixed-length template protection based on Homomorphic Encryption with application to signature biometrics", in Proc. IEEE Conf. on Computer Vision and Pattern Recognition Workshops (CVPRW), 2016
J. Galbally and M. Gomez-Barrero, “A review of iris anti-spoofing,” in Int. Workshop on Biometrics and Forensics (IWBF), 2016
A. Morales, J. Fierrez, M. Gomez-Barrero, J. Ortega-Garcia, "KBOC: keystroke biometrics ongoing competition", in Proc. Int. Conf. on Biometrics: Theory, Applications, and Systems (BTAS), 2016
M. Gomez-Barrero, J. Galbally, J. Fierrez, "Variable-length template protection based on Homomorphic Encryption with application to signature biometrics", in Proc. Int. Workshop on Biometrics and Forensics (IWBF), 2016
M. Gomez-Barrero, J. Galbally, E. Maiorana, P. Campisi, J. Fierrez, "Implementation of fixed-length template protection based on Homomorphic Encryption with application to signature biometrics", in Proc. IEEE Conf. on Computer Vision and Pattern Recognition Workshops (CVPRW), 2016

2015

C. Rathgeb, M. Gomez-Barrero, C. Busch, J. Galbally, J. Fierrez, "Towards cancelable multi-biometrics based on adaptive Bloom filters: A case study on feature level fusion of face and iris", in Proc. Int. Workshop on Biometrics and Forensics (IWBF), 2015
M. Gomez-Barrero, J. Galbally, J. Fierrez, J. Ortega-Garcia, R. Plamondon, "Enhanced on-line signature verification based on skilled forgery detection using sigma-lognormal features", in Proc. Int. Conf. on Biometrics (ICB), 2015

2014

M. Diaz-Cabrera, M. Gomez-Barrero, A. Morales, M. A. Ferrer, J. Gabally, "Generation of enhanced synthetic off-line signatures based on real on-line data", in Proc. International Conference on Frontiers in Handwriting Recognition (ICFHR), pp. 482–487, 2014
M. Gomez-Barrero, C. Rathgeb, J. Galbally, J. Fierrez, C. Busch, "Protected facial biometric templates based on local gabor patterns and adaptive Bloom filters", in Proc. Int. Conf. on Pattern Recognition (ICPR), pp. 4483–4488, 2014

2013

M. A. Ferrer, M. Diaz-Cabrera, A. Morales, J. Galbally, M. Gomez-Barrero, "Realistic synthetic off-line signature generation based on synthetic on-line data", in Proc. International Carnahan Conference on Security Technology (ICCST), pp. 116–121, 2013
J. Galbally, M. Gomez-Barrero, A. Ross, J. Fierrez, J. Ortega-Garcia, "Securing iris recognition systems against masquerade attacks", in Proc. SPIE Biometric and Surveillance Technology for Human and Activity Identification X, BSTHAI, vol. 8712, 2013
M. Gomez-Barrero, J. Galbally, R. Plamondon, J. Fierrez, J. Ortega-Garcia, "Variations of handwritten signatures with time: A sigma-lognormal analysis", in Proc. Int. Conf. on Biometrics (ICB), 2013
M. Gomez-Barrero, J. Galbally, J. Fierrez, J. Ortega-Garcia, "Multimodal biometric fusion: A study on vulnerabilities to indirect attacks", in Proc. Iberoamerican Conf. on Pattern Recognition (CIARP), pp. 358–365, 2013
M. Gomez-Barrero, J. Gonzalez-Dominguez, J. Galbally, J. Gonzalez-Rodriguez, "Security evaluation of i-vector based speaker verification systems against hill-climbing attacks", in Proc. Interspeech, 2013

2012

M. Gomez-Barrero, J. Galbally, J. Fierrez, J. Ortega-Garcia, "Face verification put to test: A hill-climbing attack based on the uphill-simplex algorithm", in Proc. International Conference on Biometrics (ICB), pp. 40–45, 2012
M. Gomez-Barrero, J. Galbally, A. Morales, M. A. Ferrer, J. Fierrez, J. Ortega-Garcia, "Inverse biometrics: A case study in hand geometry authentication", in Proc. Int. Conf. on Pattern Recognition (ICPR), pp. 1281–1284, 2012
M. Gomez-Barrero, J. Galbally, P. Tome-Gonzalez, J. Fierrez, “On the vulnerability of iris-based systems to software attacks based on genetic algorithms,” in Proc. International Conference on Biometrics (ICB), Springer LNCS-7441, pp. 114–121, 2012

2011

M. Gomez-Barrero, J. Galbally, J. Fierrez, J. Ortega-Garcia, "Hill-climbing attack based on the uphill simplex algorithm and its application to signature verification", in Proc. European Workshop on Biometrics and Identity Management (BioID), LNCS-6583, pp. 83–94, 2011