Author

Antonio Javier Gallego

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Sep 2026

Multimodal learning for imbalanced multi-label chest X-ray classification with radiology reports

This work investigates image-only, text-only, and multimodal learning on a curated subset of PadChest-GR, and demonstrates that simple concatenation-based fusion, when paired with appropriate balancing strategies and domain-specific encoders, provides a robust approach for imbalanced multi-label chest X-ray classificat...

Laihi Bahar Eddine, Antonio Javier Gallego, A. Pertusa · Pattern Analysis and Applica... · 0 citations

#artificial intelligence Preprint Sep 2026

Are We Really Doing Few-Shot Learning? A Critical Examination of Pre-Training Assumptions

The results show that class disjointness alone is insufficient to remove the influence of target-domain data, highlighting the need to move beyond in-domain pre-training as the default few-shot evaluation protocol, since it can overestimate performance in realistic scenarios where target-domain data are scarce.

Alejandro Gal'an-Cuenca, Marcelo Saval-Calvo, Antonio Javier Gallego · 0 citations