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

Research Multimodal & Generative

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TL;DR - Mixture-of-Thought-Tokens (Motto) unifies spatial perception and reasoning for free-form multimodal grounding. It matters because existing approaches often trade precise localization for complex reasoning ability.

  • Spatially-Grounded Thought Tokenization aligns special tokens with visual locations for interpretable spatial correspondence.
  • A Context-Adaptive Chain-of-Tokens dynamically switches grounding modes within interleaved reasoning chains.
  • PR-Bench evaluates the gap between perception and reasoning in referring-expression comprehension.
  • The authors report state-of-the-art performance across diverse free-form grounding tasks.

Sources (1)

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

arXiv cs.CV Tianyi Gao, Han Fang, Tianyi Ding, Hao Li, Xin Wei, Hongbo Sun, Xiaodong Dong, Ye Yuan, Jinglin Xu, Kongming Liang, Hao Sun, Jingmin Xin 2026-07-27 arXiv:2607.24407
Public signals Hugging Face upvotes 0
Providers: Hugging Face · Upvotes 0 OpenAlex · N/A Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-08-26 14:44:04.517840 UTC

TL;DR - Mixture-of-Thought-Tokens (Motto) unifies spatial perception and reasoning for free-form multimodal grounding. It matters because existing approaches often trade precise localization for complex reasoning ability.

  • Spatially-Grounded Thought Tokenization aligns special tokens with visual locations for interpretable spatial correspondence.
  • A Context-Adaptive Chain-of-Tokens dynamically switches grounding modes within interleaved reasoning chains.
  • PR-Bench evaluates the gap between perception and reasoning in referring-expression comprehension.
  • The authors report state-of-the-art performance across diverse free-form grounding tasks.
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