https://www.luigifreda.com/2026/02/10/probing-the-3d-awareness-of-visual-foundation-models/probing-the-3d-awareness-of-visual-foundation-models-surface-normals/
Probing the 3D Awareness of Visual Foundation Models - surface normals - Luigi Freda
foundation modelssurface normalsprobingawarenessvisual