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T. Loiseau

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#artificial intelligence Preprint Sep 2026

Emergent Multi-View Geometry Through Self-Distillation

Over a century ago, Henri Poincar\'e argued that a motionless observer cannot acquire the notion of space. Yet, most visual representation learning methods operate on individual images, while those that leverage multiple views rely on RGB reconstruction, entangling geometry with appearance. We propose Poincar3, a self-...

David Nordström, T. Loiseau, Vincent Lepetit et al. · 0 citations
Preprint Sep 2026

Revisiting Cross-View Completion: Self-Supervised Pre-Training via Reconstruction Error Comparison

Self-supervised pre-training via cross-view completion learns strong features for 3D vision from co-visible regions of image pairs. However, the reference view provides little information for reconstructing non-co-visible patches, implicitly yielding a monocular training signal in these regions. We introduce Gekko, whi...

T. Loiseau, Guillaume Bourmaud, Vincent Lepetit · 0 citations

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