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cs.CV2026

Learning Steadily: Accumulating Relative Point Margin Scores for Face Image Quality Assessment

Guray Ozgur, Tahar Chettaoui, Eduarda Caldeira +4

Face Image Quality Assessment determines the suitability of captured face images for automated face recognition (FR), a critical capability for reliable biometric systems. Existing…

cs.CV2026

IJCB-AFMFR 2026: Competition on Adapting Foundation Models for Face Recognition Using Synthetic Training Data

Tahar Chettaoui, Guray Ozgur, Eduarda Caldeira +13

This paper presents a summary of the Competition on Adapting Foundation Models for Face Recognition Using Synthetic Training Data (AFMFR), held at the 2026 International Joint Conf…

cs.CV2026

Vision Transformers for Face Recognition Need More Registers

Tahar Chettaoui, Guray Ozgur, Eduarda Caldeira +2

Recent advances in Vision Transformers (ViTs) for face recognition (FR) have moved beyond the standard CLS-token paradigm. In this paradigm, a special classification token (CLS) is…

cs.CV2026

ViT-FREE: Efficient Face Recognition via Early Exiting and Synthetic Adaptation

Tahar Chettaoui, Guray Ozgur, Eduarda Caldeira +2

Vision Transformers (ViTs) have gained significant attention in computer vision and shown strong potential for face recognition (FR). However, their high computational cost makes d…

cs.CV2026

DCMorph: Face Morphing via Dual-Stream Cross-Attention Diffusion

Tahar Chettaoui, Eduarda Caldeira, Guray Ozgur +3

Advancing face morphing attack techniques is crucial to anticipate evolving threats and develop robust defensive mechanisms for identity verification systems. This work introduces…

cs.CV2026

EX-FIQA: Leveraging Intermediate Early eXit Representations from Vision Transformers for Face Image Quality Assessment

Guray Ozgur, Tahar Chettaoui, Eduarda Caldeira +4

Face Image Quality Assessment is crucial for reliable face recognition systems, yet existing Vision Transformer-based approaches rely exclusively on final-layer representations, ig…

cs.CV2026

ATTN-FIQA: Interpretable Attention-based Face Image Quality Assessment with Vision Transformers

Guray Ozgur, Tahar Chettaoui, Eduarda Caldeira +5

Face Image Quality Assessment (FIQA) aims to assess the recognition utility of face samples and is essential for reliable face recognition (FR) systems. Existing approaches require…

cs.CV2026

IDperturb: Enhancing Variation in Synthetic Face Generation via Angular Perturbation

Fadi Boutros, Eduarda Caldeira, Tahar Chettaoui +1

Synthetic data has emerged as a practical alternative to authentic face datasets for training face recognition (FR) systems, especially as privacy and legal concerns increasingly r…

cs.CV2026

ViTNT-FIQA: Training-Free Face Image Quality Assessment with Vision Transformers

Guray Ozgur, Eduarda Caldeira, Tahar Chettaoui +4

Face Image Quality Assessment (FIQA) is essential for reliable face recognition systems. Current approaches primarily exploit only final-layer representations, while training-free…

cs.CV2025

Mitigating Bias with Words: Inducing Demographic Ambiguity in Face Recognition Templates by Text Encoding

Tahar Chettaoui, Naser Damer, Fadi Boutros

Face recognition (FR) systems are often prone to demographic biases, partially due to the entanglement of demographic-specific information with identity-relevant features in facial…

cs.CV2025

Trade-offs in Cross-Domain Generalization of Foundation Model Fine-Tuned for Biometric Applications

Tahar Chettaoui, Naser Damer, Fadi Boutros

Foundation models such as CLIP have demonstrated exceptional zero- and few-shot transfer capabilities across diverse vision tasks. However, when fine-tuned for highly specialized b…

cs.CV2025

MADation: Face Morphing Attack Detection with Foundation Models

Eduarda Caldeira, Guray Ozgur, Tahar Chettaoui +5

Despite the considerable performance improvements of face recognition algorithms in recent years, the same scientific advances responsible for this progress can also be used to cre…

cs.CV2025

FoundPAD: Foundation Models Reloaded for Face Presentation Attack Detection

Guray Ozgur, Eduarda Caldeira, Tahar Chettaoui +3

Although face recognition systems have seen a massive performance enhancement in recent years, they are still targeted by threats such as presentation attacks, leading to the need…

cs.CV2024

FRoundation: Are Foundation Models Ready for Face Recognition?

Tahar Chettaoui, Naser Damer, Fadi Boutros

Foundation models are predominantly trained in an unsupervised or self-supervised manner on highly diverse and large-scale datasets, making them broadly applicable to various downs…