Author

Yuanbo Yang

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Preprint Aug 2026

Thinking With Tools, Not With Pixels: Tool Calls as Text Scaffolds for Visual Reasoning

Tool-augmented vision-language models increasingly"think with images": they call crop, zoom, or code tools and reason over the returned pixels. However, recent work using blind tests, gain decompositions, and attention analyses has shown that returned images contribute little, raising the question: if pixels do not car...

Jiahao Shao, Yuanbo Yang, Yi-Yi Liao et al. · 3 citations

Preprint Jul 2026

Beyond Isolated Objects: Relationship-aware Open Vocabulary Scene Understanding via 3D Scene Graph Analysis

An Adaptive Gated Dual-Stream Contextual GAT that separates dense geometric features and semantic CLIP embeddings, performs edge-guided message passing, and adaptively fuses complementary semantics is introduced that separates dense geometric features and semantic CLIP embeddings, and adaptively fuses complementary sem...

Xianhao Chen, Jiarui Hu, Yuanbo Yang et al. · 0 citations