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Dongfeng Bai

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#artificial intelligence Preprint Oct 2026

Motion- and Gravity-Aware Feedforward 3D Reconstruction

This work introduces a motion- and gravity-aware framework under the Learning Using Privileged Information (LUPI) paradigm, and suggests that LUPI offers a practical way to inject motion and physical priors into feed-forward 3D reconstruction without increasing test-time complexity.

Shi-Yao Qian, Yuan Ren, Dong-Feng Bai · 0 citations
Preprint Aug 2026

Chain of Spatial Thoughts: Modality-Agnostic Spatial Grounding for Vision Language Models

Space Tokens is introduced, a lightweight, architecture-agnostic framework that equips VLMs with explicit continuous spatial representations without requiring additional inference-time modules, and demonstrates that continuous spatial tokens provide an effective, interpretable, and computationally efficient mechanism f...

Hunter Schofield, Mohammed Elmahgiubi, Mohammad Mahdavian et al. · 0 citations

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