Author

Loic Le Folgoc

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Preprint Oct 2026

Annotation-Free Representation Learning for Polyp Retrieval in Colonoscopy Videos

Colonoscopy is inherently comparative: reliable visual assessment of polyps often depends on complementary views acquired under different viewpoints and imaging conditions. Retrieving such views requires polyp tracklet representations, which recent contrastive methods learn from temporal cues but still build from manua...

Luca Parolari, Lamberto Ballan, Carlo Biffi et al. · 0 citations

#artificial intelligence Preprint Oct 2026

Dense Representation Learning and Differentiable Shape Modeling for Spine Landmark Detection

This work reframe anatomical landmark detection as a pixel-level contrastive representation learning problem, matching dense pixel embeddings with landmark prototypes, leading to more discriminative heatmaps compared to the traditional heatmap regression paradigm, leading to improved discrimination between vertebral co...

A. Daridon, Sofiane Sifaoui, A. Assi et al. · 0 citations