Author

Jiwon Jenny Lee

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#artificial intelligence Preprint Oct 2026

RelationVGGT: Visual Geometry Transformers for 3D Spatial Relation Segmentation

Recent advances in 3D reconstruction have progressed from per-scene optimization to feed-forward inference, and semantic scene understanding has followed suit -- yet existing methods remain confined to object-centric perception, neglecting spatial relations between objects. We formulate 3D spatial relation segmentation...

Minsu Kim, Jaesung Choe, J. Lee et al. · 0 citations

Preprint Aug 2026

VisTa3D: A Dataset and Benchmark for Thin Object Reconstruction from Vision, Tactile, and 3D Point Clouds

State-of-the-art 3D reconstruction models, whether from visual, range, or both, tend to underperform on thin objects. This is partially due to the small amount of space such objects occupy in RGB images and in 3D point clouds. To test the extent of their errors, we collected the first thin object dataset comprising of...

Shania Guo, Yeongsik Seo, Andrew Fu et al. · 1 citation