Author

Jing Xu

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Jul 2026

GeoAnchor: Collaborative Reasoning via Latent Decomposition for 3D Spatial Understanding

GeoAnchor decomposes 3D spatial information into three complementary components: position latents for object grounding, direction latents for relational orientation, and geometry latents for scene structure, and is introduced a collaborative training strategy that guides the model from local spatial perception to comprehensive 3D understanding.

Hao Li, Han Fang, Zixin Pan et al. · arXiv.org · 0 citations

Jul 2026

Mixture-of-Thought-Tokens: Unifying Perception and Reasoning for Free-form Multimodal Grounding

This work introduces Spatially-Grounded Thought Tokenization to explicitly align special tokens with spatial locations for clear spatial correspondence and visual interpretability, and proposes Mixture-of-Thought-Tokens, a new free-form multimodal grounding method that bridges the perception-reasoning gap.

Tianyi Gao, Han Fang, Tianyi Ding et al. · arXiv.org · 0 citations