Publications

Journal Articles

• I. DeAndres-Tame, R. Tolosana, P. Melzi, R. Vera-Rodriguez, M. Kim, C. Rathgeb, X. Liu, L.F. Gomez, A. Morales, J. Fierrez, J. Ortega-Garcia, Z. Zhong, Y. Huang, Y. Mi, S. Ding, S. Zhou, S. He, L. Fu, H. Cong, R. Zhang, Z. Xiao, E. Smirnov, A. Pimenov, A. Grigorev, D. Timoshenko, K.M. Asfaw, C.Y. Low, H. Liu, C. Wang, Q. Zuo, Z. He, H.O. Shahreza, A. George, A. Unnervik, P. Rahimi, S. Marcel, P.C. Neto, M. Huber, J.N. Kolf, N. Damer, F. Boutros, J.S. Cardoso, A.F. Sequeira, A. Atzori, G. Fenu, M. Marras, V. Štruc, J. Yu, Z. Li, J. Li, W. Zhao, Z. Lei, X. Zhu, X.-Y. Zhang, B. Biesseck, P. Vidal, L. Coelho, R. Granada and D. Menotti. Second FRCSyn-onGoing: Winning Solutions and Post-Challenge Analysis to Improve Face Recognition with Synthetic Data. Information Fusion, 2025.

• D. DeAlcala, A. Morales, J. Fierrez, G. Mancera, R. Tolosana and J. Ortega-Garcia. Is my Data in your AI Model? Membership Inference Test with Application to Face Images. arXiv:2402.09225, 2024.

• I. DeAndres-Tame, R. Tolosana, R. Vera-Rodriguez, A. Morales, J. Fierrez and J. Ortega-Garcia. How Good Is ChatGPT at Face Biometrics? A First Look Into Recognition, Soft Biometrics, and Explainability. IEEE Access, 2024.

• P. Melzi, R. Tolosana, R. Vera-Rodriguez, M. Kim, C. Rathgeb, X. Liu, I. DeAndres-Tame, A. Morales, J. Fierrez, J. Ortega-Garcia, W. Zhao, X. Zhu, Z. Yan, X.-Y. Zhang, J. Wu, Z. Lei, S. Tripathi, M. Kothari, Md H. Zama, D. Deb, B. Biesseck, P. Vidal, R. Granada, G. Fickel, G. Führ, D. Menotti, A. Unnervik, A. George, C. Ecabert, H. Otroshi Shahreza, P. Rahimi, S. Marcel, I. Sarridis, C. Koutlis, G. Baltsou, S. Papadopoulos, C. Diou, N.D. Domenico, G. Borghi, L. Pellegrini, E. Mas-Candela, Á. Sánchez-Pérez, A. Atzori, F. Boutros, N. Damer, G. Fenu and M. Marras. FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems. Information Fusion, 2024.

• P. Melzi, C. Rathgeb, R. Tolosana, R. Vera-Rodriguez and C. Busch. An Overview of Privacy-Enhancing Technologies in Biometric Recognition. ACM Computing Surveys, 2024.

• A. Hassanpour, F. Jamalbafrani, B. Yang, K. Raja, R. Veldhuis and J. Fierrez. E2F-Net: Eyes-to-face inpainting via StyleGAN latent space. Pattern Recognition, 2024.

• G. Stragapede, P. Delgado-Santos, R. Tolosana, R. Vera-Rodriguez, R. Guest and A. Morales. TypeFormer: transformers for mobile keystroke biometrics. Neural Computing and Applications, 2024.

• R. Daza, L.F. Gomez, J. Fierrez, A. Morales, R. Tolosana and J. Ortega-Garcia. DeepFace-Attention: Multimodal Face Biometrics for Attention Estimation With Application to e-Learning. IEEE Access, 2024.

• R. Daza, A. Morales, J. Fierrez, R. Tolosana and R. Vera-Rodriguez. mEBAL2 database and benchmark: Image-based multispectral eyeblink detection. Pattern Recognition Letters, 2024.

• M. Ghafourian, B. Sumer, R. Vera-Rodriguez, J. Fierrez, R. Tolosana, A. Morales and E. Kindt. Combining Blockchain and Biometrics: A Survey on Technical Aspects and a First Legal Analysis. arXiv preprint arXiv:2302.10883, 2023.

Conference Papers

• G. Mancera, D. DeAlcala, A. Morales, R. Tolosana and J. Fierrez. Membership Inference Test: Auditing Training Data in Object Models. in Deployable AI Association for the Advancement of Artificial Intelligence Workshop, AAAIw, 2025.

• S. Romero-Tapiador, R. Tolosana, B. Lacruz-Pleguezuelos, L.J. Marcos-Zambrano, G.X. Bazán, I. Espinosa-Salinas, J. Fierrez, J. Ortega-Garcia, E. Carrillo de Santa Pau, and A. Morales. Are Vision-Language Models Ready for Dietary Assessment? Exploring the Next Frontier in AI-Powered Food Image Recognition. In Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, CVPRw, 2025.

• D. DeAlcala, A. Morales, J. Fierrez and R. Tolosana. gMINT: Gradiant-based Membership Inference Test applied to Image Models. in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, CVPRw, 2025.

• D. DeAlcala, A. Morales, J. Fierrez, G. Mancera, R. Tolosana and J. Ortega-Garcia. MINT-Demo: Membership Inference Test Demonstrator. In AAAI 2025 Workshop on AI Governance: Alignment, Morality, and Law, 2025.

• G. Mancera, D. DeAlcala, J. Fierrez, R. Tolosana and A. Morales. Is My Text in Your AI Model? Gradient-based Membership Inference Test applied to LLMs. arXiv preprint arXiv:2503.07384, 2025.

• D. Dealcala, G. Mancera, A. Morales, J. Fierrez, R. Tolosana and J. Ortega-Garcia. A Comprehensive Analysis of Factors Impacting Membership Inference. in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, CVPRw, 2024.

• I. Solano, A. Peña, A. Morales, J. Fierrez, R. Tolosana, F. Zamora-Martinez and J. San Agustin. Comprehensive Equity Index (CEI): Definition and Application to Bias Evaluation in Biometrics. in Proc. 27th International Conference on Pattern Recognition, ICPR, 2024.

• H.O. Shahreza, C. Ecabert, A. George, A. Unnervik, S. Marcel, N.D. Domenico, G. Borghi, D. Maltoni, F. Boutros, J. Vogel, N. Damer, Á. Sánchez-Pérez, J. Calvo-Zaragoza, B. Biesseck, P. Vidal, R. Granada, D. Menotti, I. DeAndres-Tame, S. Maurizio La Cava, S. Concas, P. Melzi, R. Tolosana, R. Vera-Rodriguez, G. Perelli, G. Orrù, G.L. Marcialis and J. Fierrez. SDFR: Synthetic Data for Face Recognition Competition. in Proc. IEEE International Conference on Automatic Face and Gesture Recognition, FG, 2024.

• I. DeAndres-Tame, R. Tolosana, P. Melzi, R. Vera-Rodriguez, M. Kim, C. Rathgeb, X. Liu, A. Morales, J. Fierrez, J. Ortega-Garcia, Z. Zhong, Y. Huang, Y. Mi, S. Ding, S. Zhou, S. He, L. Fu, H. Cong, R. Zhang, Z. Xiao, E. Smirnov, A. Pimenov, A. Grigorev, D. Timoshenko, K.M. Asfaw, C.Y. Low, H. Liu, C. Wang, Q. Zuo, Z. He, H.O. Shahreza, A. George, A. Unnervik, P. Rahimi, S. Marcel, P.C. Neto, M. Huber, J.N. Kolf, N. Damer, F. Boutros, J.S. Cardoso, A.F. Sequeira, A. Atzori, G. Fenu, M. Marras, V. Štruc, J. Yu, Z. Li, J. Li, W. Zhao, Z. Lei, X. Zhu, X.Y. Zhang, B. Biesseck, P. Vidal, L. Coelho, R. Granada and D. Menotti. Second Edition FRCSyn Challenge at CVPR 2024: Face Recognition Challenge in the Era of Synthetic Data. in Proc. IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops, CVPRw, Seattle, Washington, USA, 2024.

• M. Ghafourian, J. Fierrez, R. Vera-Rodriguez, R. Tolosana and A. Morales. SaFL: Sybil-aware Federated Learning with Application to Face Recognition. In Proc. IEEE International Conference on Image Processing Challenges and Workshops, ICIPCW, 2024.

• S.M. La Cava, S. Concas, R. Tolosana, R. Casula, G. Orru, M. Drahansky, J. Fierrez and G.L. Marciallis. Exploring 3D Face Reconstruction and Fusion Methods for Face Verification: A Case-Study in Video Surveillance. in Proc. IEEE/CVF European Conference on Computer Vision Workshops, ECCVw, 2024.

• M. Navarro, Á. Becerra, R. Daza, R. Cobos, A. Morales and J. Fierrez. VAAD: Visual Attention Analysis Dashboard Applied to e-Learning. in Proc. IEEE International Symposium on Computers in Education, SIIE, 2024.

• Á. Becerra, J. Irigoyen, R. Daza, R. Cobos, A. Morales, J. Fierrez and M. Cukurova. Biometrics and Behavior Analysis for Detecting Distractions in e- Learning. in Proc. IEEE International Symposium on Computers in Education, SIIE, 2024.