Author

Xu Yan

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Preprint Oct 2026

Think-Capture: Active 3D Geometry Acquisition for Spatial Reasoning in Vision-Language Models

Vision-Language Models (VLMs) excel at 2D recognition but often fail to maintain consistent 3D relations across sparse viewpoints, leading to spatial hallucinations under occlusion and perspective changes. Existing methods commonly fuse all frames with dense geometry, incurring substantial computation and context overh...

Jun-Jie Wang, Zhi-Hao Yuan, Yun-Han Tang et al. · 0 citations

Jul 2026

Reasoning to Regulate: Chain-of-Thought for Traffic Rule Understanding

This work designs a scalable CoT curation pipeline that bootstraps rationales from a strong LLM through a two-round strategy and employs a VLM-based verifier to filter out incorrect cases, yielding a high-quality set of (CoT, answer) pairs.

Yueru Luo, Xu Yan, Changqing Zhou et al. · arXiv.org · 0 citations