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Denis Rivière

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#machine learning Preprint Sep 2026

Geometric-to-Semantic Spherical Transfer Learning for Cortical Sulci Labeling

A Geometric-to-Semantic Spherical Transfer Learning framework that outperforms fully supervised baselines trained from scratch on variable and tertiary sulci, confirming that learning the cortex shape is highly beneficial for identifying its rarest parts.

Saeb Tounsi, J. Chavas, Pietro Gori et al. · 0 citations

Representation learning of human cortical folding to reveal long lasting neurodevelopmental signatures.

Champollion, a self-supervised learning framework that learns interpretable local representations of cortical folding from structural MRI, is introduced, establishing cortical folding as a rich and largely untapped source of neurodevelopmental information.

Julien Laval, R. Guiavarch, Antoine Dufournet et al. · 1 citation

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