Detecting Face Morphing Attacks by Analyzing the Directed Distances of Facial Landmarks Shifts. - Naser Damer; Viola Boller; Yaza Wainakh; Fadi Boutros; Philipp Terhörst; Andreas Braun 001; Arjan Kuijper (GCPR, 2018)

P-Score: Performance Aligned Normalization and an Evaluation in Score-Level Multi-Biometric Fusion. - Naser Damer; Fadi Boutros; Philipp Terhörst; Andreas Braun 001; Arjan Kuijper (EUSIPCO, 2018)

Realistic Dreams: Cascaded Enhancement of GAN-generated Images with an Example in Face Morphing Attacks. - Naser Damer; Fadi Boutros; Alexandra Mosegui Saladie; Florian Kirchbuchner; Arjan Kuijper (BTAS, 2019)

Exploring the Channels of Multiple Color Spaces for Age and Gender Estimation from Face Images. - Fadi Boutros; Naser Damer; Philipp Terhörst; Florian Kirchbuchner; Arjan Kuijper (FUSION, 2019)

Robust Face Authentication Based on Dynamic Quality-weighted Comparison of Visible and Thermal-to-visible images to Visible Enrollments. - Khawla Mallat; Naser Damer; Fadi Boutros; Jean-Luc Dugelay (FUSION, 2019)

Cross-spectrum thermal to visible face recognition based on cascaded image synthesis. - Khawla Mallat; Naser Damer; Fadi Boutros; Arjan Kuijper; Jean-Luc Dugelay (ICB, 2019)

Eye-MMS: Miniature Multi-Scale Segmentation Network of Key Eye-Regions in Embedded Applications. - Fadi Boutros; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (ICCV Workshops, 2019)

D-ID-Net: Two-Stage Domain and Identity Learning for Identity-Preserving Image Generation From Semantic Segmentation. - Naser Damer; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (ICCV Workshops, 2019)

Cross-Spectral Periocular Recognition by Cascaded Spectral Image Transformation. - Kiran B. Raja; Naser Damer; Raghavendra Ramachandra; Fadi Boutros; Christoph Busch 001 (IST, 2019)

Cascaded Generation of High-quality Color Visible Face Images from Thermal Captures. - Naser Damer; Fadi Boutros; Khawla Mallat; Florian Kirchbuchner; Jean-Luc Dugelay; Arjan Kuijper (CoRR, 2019)

Compact Models for Periocular Verification Through Knowledge Distillation. - Fadi Boutros; Naser Damer; Meiling Fang; Kiran B. Raja; Florian Kirchbuchner; Arjan Kuijper (BIOSIG, 2020)

The Effect of Wearing a Mask on Face Recognition Performance: an Exploratory Study. - Naser Damer; Jonas Henry Grebe; Cong Chen 011; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (BIOSIG, 2020)

Fusing Iris and Periocular Region for User Verification in Head Mounted Displays. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (FUSION, 2020)

Deep Learning Multi-layer Fusion for an Accurate Iris Presentation Attack Detection. - Meiling Fang; Naser Damer; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (FUSION, 2020)

On Benchmarking Iris Recognition within a Head-mounted Display for AR/VR Applications. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (IJCB, 2020)

Iris Liveness Detection Competition (LivDet-Iris) - The 2020 Edition. - Priyanka Das 004; Joseph McGrath; Zhaoyuan Fang; Aidan Boyd; Ganghee Jang; Amir Mohammadi; Sandip Purnapatra; David Yambay; Sébastien Marcel; Mateusz Trokielewicz; Piotr Maciejewicz; Kevin W. Bowyer; et al. (IJCB, 2020)

SSBC 2020: Sclera Segmentation Benchmarking Competition in the Mobile Environment. - Matej Vitek; Abhijit Das 001; Yann Pourcenoux; Alexandre Missler; C. Paumier; Sumanta Das; Ishita De Ghosh; Diego Rafael Lucio; Luiz Antonio Zanlorensi; David Menotti; Fadi Boutros; Naser Damer; et al. (IJCB, 2020)

Periocular Biometrics in Head-Mounted Displays: A Sample Selection Approach for Better Recognition. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (IWBF, 2020)

On Benchmarking Iris Recognition within a Head-mounted Display for AR/VR Application. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (CoRR, 2020)

Iris and periocular biometrics for head mounted displays: Segmentation, recognition, and synthetic data generation. - Fadi Boutros; Naser Damer; Kiran B. Raja; Raghavendra Ramachandra; Florian Kirchbuchner; Arjan Kuijper (Image Vis. Comput., 2020)

My Eyes Are Up Here: Promoting Focus on Uncovered Regions in Masked Face Recognition. - Pedro C. Neto; Fadi Boutros; João Ribeiro Pinto; Mohsen Saffari; Naser Damer; Ana Filipa Sequeira; Jaime S. Cardoso 001 (BIOSIG, 2021)

Partial Attack Supervision and Regional Weighted Inference for Masked Face Presentation Attack Detection. - Meiling Fang; Fadi Boutros; Arjan Kuijper; Naser Damer (FG, 2021)

Mask-invariant Face Recognition through Template-level Knowledge Distillation. - Marco Huber; Fadi Boutros; Florian Kirchbuchner; Naser Damer (FG, 2021)

FocusFace: Multi-task Contrastive Learning for Masked Face Recognition. - Pedro C. Neto; Fadi Boutros; João Ribeiro Pinto; Naser Damer; Ana Filipa Sequeira; Jaime S. Cardoso 001 (FG, 2021)

MixFaceNets: Extremely Efficient Face Recognition Networks. - Fadi Boutros; Naser Damer; Meiling Fang; Florian Kirchbuchner; Arjan Kuijper (IJCB, 2021)

MFR 2021: Masked Face Recognition Competition. - Fadi Boutros; Naser Damer; Jan Niklas Kolf; Kiran B. Raja; Florian Kirchbuchner; Raghavendra Ramachandra; Arjan Kuijper; Pengcheng Fang; Chao Zhang; Fei Wang 032; David Montero 002; Naiara Aginako; et al. (IJCB, 2021)

Iris Presentation Attack Detection by Attention-based and Deep Pixel-wise Binary Supervision Network. - Meiling Fang; Naser Damer; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (IJCB, 2021)

Face Liveness Detection Competition (LivDet-Face) - 2021. - Sandip Purnapatra; Nic Smalt; Keivan Bahmani; Priyanka Das 004; David Yambay; Amir Mohammadi; Anjith George; Thirimachos Bourlai; Sébastien Marcel; Stephanie Schuckers; Meiling Fang; Naser Damer; et al. (IJCB, 2021)

NIR Iris Challenge Evaluation in Non-cooperative Environments: Segmentation and Localization. - Caiyong Wang; Yunlong Wang 003; Kunbo Zhang; Jawad Muhammad; Tianhao Lu; Qi Zhang 015; Qichuan Tian; Zhaofeng He; Zhenan Sun; Yiwen Zhang; Tianbao Liu; Wei Yang 006; et al. (IJCB, 2021)

ReGenMorph: Visibly Realistic GAN Generated Face Morphing Attacks by Attack Re-generation. - Naser Damer; Kiran B. Raja; Marius Süßmilch; Sushma Venkatesh; Fadi Boutros; Meiling Fang; Florian Kirchbuchner; Raghavendra Ramachandra; Arjan Kuijper (ISVC (1), 2021)

PW-MAD: Pixel-Wise Supervision for Generalized Face Morphing Attack Detection. - Naser Damer; Noémie Spiller; Meiling Fang; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (ISVC (1), 2021)

Unmasking Face Embeddings by Self-restrained Triplet Loss for Accurate Masked Face Recognition. - Fadi Boutros; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (CoRR, 2021)

Masked Face Recognition: Human vs. Machine. - Naser Damer; Fadi Boutros; Marius Süßmilch; Meiling Fang; Florian Kirchbuchner; Arjan Kuijper (CoRR, 2021)

PocketNet: Extreme Lightweight Face Recognition Network using Neural Architecture Search and Multi-Step Knowledge Distillation. - Fadi Boutros; Patrick Siebke; Marcel Klemt; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (CoRR, 2021)

Extended evaluation of the effect of real and simulated masks on face recognition performance. - Naser Damer; Fadi Boutros; Marius Süßmilch; Florian Kirchbuchner; Arjan Kuijper (IET Biom., 2021)

Cross-database and cross-attack Iris presentation attack detection using micro stripes analyses. - Meiling Fang; Naser Damer; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (Image Vis. Comput., 2021)

Low-resolution Iris Recognition via Knowledge Transfer. - Fadi Boutros; Olga Kähm; Meiling Fang; Florian Kirchbuchner; Naser Damer; Arjan Kuijper (BIOSIG, 2022)

ElasticFace: Elastic Margin Loss for Deep Face Recognition. - Fadi Boutros; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (CVPR Workshops, 2022)

Privacy-friendly Synthetic Data for the Development of Face Morphing Attack Detectors. - Naser Damer; César Augusto Fontanillo López; Meiling Fang; Noémie Spiller; Minh Vu Pham; Fadi Boutros (CVPR Workshops, 2022)

SFace: Privacy-friendly and Accurate Face Recognition using Synthetic Data. - Fadi Boutros; Marco Huber; Patrick Siebke; Tim Rieber; Naser Damer (IJCB, 2022)

Unsupervised Face Morphing Attack Detection via Self-paced Anomaly Detection. - Meiling Fang; Fadi Boutros; Naser Damer (IJCB, 2022)

SYN-MAD 2022: Competition on Face Morphing Attack Detection Based on Privacy-aware Synthetic Training Data. - Marco Huber; Fadi Boutros; Anh Thi Luu; Kiran B. Raja; Raghavendra Ramachandra; Naser Damer; Pedro C. Neto; Tiago Gonçalves; Ana Filipa Sequeira; Jaime S. Cardoso 001; João Tremoço; Miguel Lourenço; et al. (IJCB, 2022)

Lightweight Periocular Recognition through Low-bit Quantization. - Jan Niklas Kolf; Fadi Boutros; Florian Kirchbuchner; Naser Damer (IJCB, 2022)

OCFR 2022: Competition on Occluded Face Recognition from Synthetically Generated Structure-Aware Occlusions. - Pedro C. Neto; Fadi Boutros; João Ribeiro Pinto; Naser Damer; Ana Filipa Sequeira; Jaime S. Cardoso 001; Messaoud Bengherabi; Abderaouf Bousnat; Sana Boucheta; Nesrine Hebbadj; Mustafa Ekrem Erakin; Ugur Demir; et al. (IJCB, 2022)

QuantFace: Towards Lightweight Face Recognition by Synthetic Data Low-bit Quantization. - Fadi Boutros; Naser Damer; Arjan Kuijper (ICPR, 2022)

PocketNet: Extreme Lightweight Face Recognition Network Using Neural Architecture Search and Multistep Knowledge Distillation. - Fadi Boutros; Patrick Siebke; Marcel Klemt; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (IEEE Access, 2022)

Beyond Masks: On the Generalization of Masked Face Recognition Models to Occluded Face Recognition. - Pedro C. Neto; João Ribeiro Pinto; Fadi Boutros; Naser Damer; Ana Filipa Sequeira; Jaime S. Cardoso 001 (IEEE Access, 2022)

Intra and Cross-spectrum Iris Presentation Attack Detection in the NIR and Visible Domains Using Attention-based and Pixel-wise Supervised Learning. - Meiling Fang; Fadi Boutros; Naser Damer (CoRR, 2022)

The overlapping effect and fusion protocols of data augmentation techniques in iris PAD. - Meiling Fang; Naser Damer; Fadi Boutros; Florian Kirchbuchner; Arjan Kuijper (Mach. Vis. Appl., 2022)

Self-restrained triplet loss for accurate masked face recognition. - Fadi Boutros; Naser Damer; Florian Kirchbuchner; Arjan Kuijper (Pattern Recognit., 2022)

Template-Driven Knowledge Distillation for Compact and Accurate Periocular Biometrics Deep-Learning Models. - Fadi Boutros; Naser Damer; Kiran B. Raja; Florian Kirchbuchner; Arjan Kuijper (Sensors, 2022)

Efficient and High Performing Biometrics: Towards Enabling Recognition in Embedded Domains - Fadi Boutros (2022)

Masked face recognition: Human versus machine. - Naser Damer; Fadi Boutros; Marius Süßmilch; Meiling Fang; Florian Kirchbuchner; Arjan Kuijper (IET Biom., 2022)

CR-FIQA: Face Image Quality Assessment by Learning Sample Relative Classifiability. - Fadi Boutros; Meiling Fang; Marcel Klemt; Biying Fu; Naser Damer (CVPR, 2023)

Identity-driven Three-Player Generative Adversarial Network for Synthetic-based Face Recognition. - Jan Niklas Kolf; Tim Rieber; Jurek Elliesen; Fadi Boutros; Arjan Kuijper; Naser Damer (CVPR Workshops, 2023)

Are Explainability Tools Gender Biased? A Case Study on Face Presentation Attack Detection. - Marco Huber; Meiling Fang; Fadi Boutros; Naser Damer (EUSIPCO, 2023)

Unsupervised Face Recognition using Unlabeled Synthetic Data. - Fadi Boutros; Marcel Klemt; Meiling Fang; Arjan Kuijper; Naser Damer (FG, 2023)

ExFaceGAN: Exploring Identity Directions in GAN's Learned Latent Space for Synthetic Identity Generation. - Fadi Boutros; Marcel Klemt; Meiling Fang; Arjan Kuijper; Naser Damer (IJCB, 2023)

Sclera Segmentation and Joint Recognition Benchmarking Competition: SSRBC 2023. - Abhijit Das 001; Saurabh Atreya; Aritra Mukherjee; Matej Vitek; Haiqing Li; Caiyong Wang; Guangzhe Zhao; Fadi Boutros; Patrick Siebke; Jan Niklas Kolf; Naser Damer; Sun Ye; et al. (IJCB, 2023)

The Unconstrained Ear Recognition Challenge 2023: Maximizing Performance and Minimizing Bias. - Ziga Emersic; Tetsushi Ohki; Muku Akasaka; Takahiko Arakawa; Soshi Maeda; Masora Okano; Yuya Sato; Anjith George; Sébastien Marcel; Iyyakutti Iyappan Ganapathi; Syed Sadaf Ali; Sajid Javed; et al. (IJCB, 2023)

EFaR 2023: Efficient Face Recognition Competition. - Jan Niklas Kolf; Fadi Boutros; Jurek Elliesen; Markus Theuerkauf; Naser Damer; Mohamad Alansari; Oussama Abdul Hay; Sara Alansari; Sajid Javed; Naoufel Werghi; Klemen Grm; Vitomir Struc; et al. (IJCB, 2023)

How Colorful Should Faces Be? Harmonizing Color and Model Quantization for Resource-restricted Face Recognition. - Jan Niklas Kolf; Jurek Elliesen; Fadi Boutros; Naser Damer (IJCB, 2023)

IDiff-Face: Synthetic-based Face Recognition through Fizzy Identity-Conditioned Diffusion Models. - Fadi Boutros; Jonas Henry Grebe; Arjan Kuijper; Naser Damer (ICCV, 2023)

MorDIFF: Recognition Vulnerability and Attack Detectability of Face Morphing Attacks Created by Diffusion Autoencoders. - Naser Damer; Meiling Fang; Patrick Siebke; Jan Niklas Kolf; Marco Huber; Fadi Boutros (IWBF, 2023)

On the Quality and Diversity of Synthetic Face Data and its Relation to the Generator Training Data. - Biying Fu; Marcel Klemt; Fadi Boutros; Naser Damer (IWBF, 2023)

Synthetic data for face recognition: Current state and future prospects. - Fadi Boutros; Vitomir Struc; Julian Fiérrez; Naser Damer (Image Vis. Comput., 2023)

SyPer: Synthetic periocular data for quantized light-weight recognition in the NIR and visible domains. - Jan Niklas Kolf; Jurek Elliesen; Fadi Boutros; Hugo Proença 001; Naser Damer (Image Vis. Comput., 2023)

Exploring Bias in Sclera Segmentation Models: A Group Evaluation Approach. - Matej Vitek; Abhijit Das 001; Diego Rafael Lucio; Luiz Antonio Zanlorensi; David Menotti; Jalil Nourmohammadi-Khiarak; Mohsen Akbari Shahpar; Meysam Asgari-Chenaghlu; Farhang Jaryani; Juan E. Tapia; Andres Valenzuela; Caiyong Wang; et al. (IEEE Trans. Inf. Forensics Secur., 2023)

QUD: Unsupervised Knowledge Distillation for Deep Face Recognition. - Jan Niklas Kolf; Naser Damer; Fadi Boutros (BMVC, 2024)

Second Edition FRCSyn Challenge at CVPR 2024: Face Recognition Challenge in the Era of Synthetic Data. - Ivan DeAndres-Tame; Ruben Tolosana; Pietro Melzi; Rubén Vera-Rodríguez; Minchul Kim; Christian Rathgeb; Xiaoming Liu 002; Aythami Morales; Julian Fiérrez; Javier Ortega-Garcia; Zhizhou Zhong; Yuge Huang; et al. (CVPR Workshops, 2024)

GraFIQs: Face Image Quality Assessment Using Gradient Magnitudes. - Jan Niklas Kolf; Naser Damer; Fadi Boutros (CVPR Workshops, 2024)

AdaDistill: Adaptive Knowledge Distillation for Deep Face Recognition. - Fadi Boutros; Vitomir Struc; Naser Damer (ECCV (55), 2024)

Frequency Matters: Explaining Biases of Face Recognition in the Frequency Domain. - Marco Huber; Fadi Boutros; Naser Damer (ECCV Workshops (22), 2024)

If It's Not Enough, Make It So: Reducing Authentic Data Demand in Face Recognition through Synthetic Faces. - Andrea Atzori; Fadi Boutros; Naser Damer; Gianni Fenu; Mirko Marras (FG, 2024)

SDFR: Synthetic Data for Face Recognition Competition. - Hatef Otroshi-Shahreza; Christophe Ecabert; Anjith George; Alexander Unnervik; Sébastien Marcel; Nicolò Di Domenico; Guido Borghi; Davide Maltoni; Fadi Boutros; Julia Vogel; Naser Damer; Ángela Sánchez-Pérez; et al. (FG, 2024)

AI-KD: Towards Alignment Invariant Face Image Quality Assessment Using Knowledge Distillation. - Ziga Babnik; Fadi Boutros; Naser Damer; Peter Peer; Vitomir Struc (IWBF, 2024)

Bias and Diversity in Synthetic-based Face Recognition. - Marco Huber; Anh Thi Luu; Fadi Boutros; Arjan Kuijper; Naser Damer (WACV, 2024)

FRCSyn Challenge at WACV 2024: Face Recognition Challenge in the Era of Synthetic Data. - Pietro Melzi; Ruben Tolosana; Rubén Vera-Rodríguez; Minchul Kim; Christian Rathgeb; Xiaoming Liu 002; Ivan DeAndres-Tame; Aythami Morales; Julian Fiérrez; Javier Ortega-Garcia; Weisong Zhao; Xiangyu Zhu 001; et al. (WACV (Workshops), 2024)

MixQuantBio: Towards extreme face and periocular recognition model compression with mixed-precision quantization. - Jan Niklas Kolf; Jurek Elliesen; Naser Damer; Fadi Boutros (Eng. Appl. Artif. Intell., 2024)

Generating bimodal privacy-preserving data for face recognition. - Darian Tomasevic; Fadi Boutros; Naser Damer; Peter Peer; Vitomir Struc (Eng. Appl. Artif. Intell., 2024)

FRCSyn-onGoing: Benchmarking and comprehensive evaluation of real and synthetic data to improve face recognition systems. - Pietro Melzi; Ruben Tolosana; Rubén Vera-Rodríguez; Minchul Kim; Christian Rathgeb; Xiaoming Liu 002; Ivan DeAndres-Tame; Aythami Morales; Julian Fiérrez; Javier Ortega-Garcia; Weisong Zhao; Xiangyu Zhu 001; et al. (Inf. Fusion, 2024)

Ubiquitous multi-occupant detection in smart environments. - Daniel Fährmann; Fadi Boutros; Philipp Kubon; Florian Kirchbuchner; Arjan Kuijper; Naser Damer (Neural Comput. Appl., 2024)

SFace2: Synthetic-Based Face Recognition With w-Space Identity-Driven Sampling. - Fadi Boutros; Marco Huber; Anh Thi Luu; Patrick Siebke; Naser Damer (IEEE Trans. Biom. Behav. Identity Sci., 2024)

A Survey on Drowsiness Detection: Modern Applications and Methods. - Biying Fu; Fadi Boutros; Chin-Teng Lin; Naser Damer (IEEE Trans. Intell. Veh., 2024)

MADation: Face Morphing Attack Detection with Foundation Models. - Eduarda Caldeira; Guray Ozgur; Tahar Chettaoui; Marija Ivanovska; Peter Peer; Fadi Boutros; Vitomir Struc; Naser Damer (WACV (Workshops), 2025)

FoundPAD: Foundation Models Reloaded for Face Presentation Attack Detection. - Guray Ozgur; Eduarda Caldeira; Tahar Chettaoui; Fadi Boutros; Raghavendra Ramachandra; Naser Damer (WACV (Workshops), 2025)

Second FRCSyn-onGoing: Winning solutions and post-challenge analysis to improve face recognition with synthetic data. - Ivan DeAndres-Tame; Ruben Tolosana; Pietro Melzi; Rubén Vera-Rodríguez; Minchul Kim; Christian Rathgeb; Xiaoming Liu 002; Luis Felipe Gomez-Gomez; Aythami Morales; Julian Fierrez; Javier Ortega-Garcia; Zhizhou Zhong; et al. (Inf. Fusion, 2025)

FRoundation: Are foundation models ready for face recognition? - Tahar Chettaoui; Naser Damer; Fadi Boutros (Image Vis. Comput., 2025)

ID-Booth: Identity-consistent Face Generation with Diffusion Models. - Darian Tomasevic; Fadi Boutros; Chenhao Lin; Naser Damer; Vitomir Struc; Peter Peer (CoRR, 2025)

DiffProb: Data Pruning for Face Recognition. - Eduarda Caldeira; Jan Niklas Kolf; Naser Damer; Fadi Boutros (CoRR, 2025)

MADPromptS: Unlocking Zero-Shot Morphing Attack Detection with Multiple Prompt Aggregation. - Eduarda Caldeira; Fadi Boutros; Naser Damer (CoRR, 2025)

NegFaceDiff: The Power of Negative Context in Identity-Conditioned Diffusion for Synthetic Face Generation. - Eduarda Caldeira; Naser Damer; Fadi Boutros (CoRR, 2025)

ViT-FIQA: Assessing Face Image Quality using Vision Transformers. - Andrea Atzori; Fadi Boutros; Naser Damer (CoRR, 2025)