Author

Rubén Tolosana

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#artificial intelligence Preprint Aug 2026

Anatomy-Aware Promptable Segmentation with Online Interactive Training for AUTOPET V

Across four-fold cross-validation the organ-supervised model achieves the best and most stable performance, the interactive stage improves the Dice score monotonically with each prompt, and PSMA-specific training yields the strongest tracer-wise results.

Pablo Lozano-Jimenez, Sergio Romero-Tapiador, Rubén Tolosana · 0 citations

Preprint Jul 2026

Comparative Study of Domain-adapted VLMs for General Document Visual Question Answering

The findings demonstrate that while large pretrained VLMs possess strong zero-shot baselines for structured layouts, their performance strongly decreases on visually complex layouts of infographics and slides, and that visual understanding is the main bottleneck for DocVQA, not a lack of knowledge from the VLMs.

Miguel Lopez-Duran, Elena Marrero, Julian Fiérrez et al. · 2 citations