Author

Xiao-Yuan Yi

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Preprint Oct 2026

Lluna: Collaborative Unimodal Models for Missing-Modality Inference

Pretrained unimodal models offer a flexible route to multimodal prediction through collaboration, but this collaboration can become less accurate than a surviving unimodal model when modalities are missing. We study this setting using fixed surviving-model anchors and find that collaborative gains can weaken or reverse...

Hao-Yue Bai, Yin-Yi Luo, He-Qing Huang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

When Seeing Overrides Knowing: Visual Dominance and Deferral-Based Method for Personalized Safety in VLMs

Vision-language models (VLMs) are increasingly deployed in high-stakes settings, where a response that is reasonable in general may still be unsafe for a particular user whose medical, emotional, or situational context is unknown to the model. We study this problem of personalized safety in multimodal systems and intro...

Edward Sun, Yu-Chen Wu, Zixian Ma et al. · 0 citations