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Cheng Yang

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#artificial intelligence Preprint Oct 2026

Visual Abstention in Unified Multimodal Models

Unified multimodal models (UMMs) integrate understanding and generation, yet their generative behavior is rarely governed by what they understand about the task. We formalize visual abstention: when a requested visual transformation is impossible under the task's rules, the model should recognize that no valid solution...

Chu-Fan Shi, Cheng Yang, Tian-Nuo Yang et al. · 0 citations
#computer vision Preprint Sep 2026

InfoEdit: Probing Global Layout Reasoning in Infographic Editing

Multimodal foundation models edit natural photographs at production quality, yet the same models struggle with structured visual content such as infographics. Unlike photographs, infographics encode information through logical relations; editing one element often requires surrounding elements to be adapted. We refer to...

Cheng Yang, Chu-Fan Shi, Hui-Juan Wang et al. · 0 citations
#computer vision Preprint Feb 2026

UReason: Benchmarking Reasoning-to-Generation Alignment in Unified Multimodal Models

UReason is introduced, a benchmark for evaluating reasoning-to-generation alignment in this paradigm, consisting of 2,000 human-curated and human-verified instances spanning five reasoning-intensive tasks: Code, Arithmetic, Spatial, Attribute, and Text, and it is found that decontextualized generation consistently outp...

Cheng Yang, Chufan Shi, Bo Shui et al. · 5 citations

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