Author

Tian-Long Chen

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#artificial intelligence Preprint Oct 2026

GeoReform: Reflective Formalization Evolution for Multimodal Geometry Problem Solving

Multimodal large language models (MLLMs) often struggle to identify and use geometric relations in diagrams. Recent methods address this challenge by converting geometric entities, relations, and constraints into explicit textual representations for the model to reason over. However, effective formalization is highly n...

Jia-Lu Wang, Rui-Chen Zhang, Xia-Oou Liu et al. · 0 citations

Preprint Aug 2026

RefineAny3D: Depth Refinement as Semantic Alignment for Monocular 3D Detection

This work presents RefineAny3D, a vision-language model that corrects depth without ever predicting a numerical value, and delivers consistent gains across closed-set detectors, open-vocabulary detectors, and 3D auto-labeling tools, and generalizes to novel categories, scenes, and cameras without retraining.

Zhihao Zhang, Geng-Wei Zhang, Tianlong Chen et al. · 0 citations