Preprint
Aug 2026
Probing the 3D Object-Level Understanding of Pre-Trained Detection Transformers
Across a range of detection transformer models, the results show a surprisingly strong and previously unknown ability of 2D DETR models to represent useful information about the 3D properties of objects, despite the complete lack of 3D supervision during model pre-training.
Robin Kim, Colin Samplawski, Benjamin M. Marlin
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