Author

Yuanzhi Xu

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Book Open access Nov 2026

SADI: Spatial-Aware Dynamic Intervention for Mitigating Hallucinations in LVLMs

Large Vision-Language Models (LVLMs) persistently suffer from object hallucinations, generating plausible yet factually incorrect outputs that fabricate objects non-existent in the visual input. Existing mitigation methods typically fall into three paradigms: fine-tuning with targeted data, which incurs prohibitive com...

Yuan-Zhi Xu, Qian Gao, Jun Fan et al. · 0 citations

Preprint Aug 2026

Diagnosing Dense Same-Class Attribute Misbinding in Large Vision-Language Models

Large vision-language models can recognize the objects and attributes in a crowded scene yet assign an attribute to the wrong same-class instance. Generic visual-question-answering accuracy marks the response as wrong, while object-hallucination metrics may regard both the object and attribute as image-supported; neith...

Yuanzhi Xu, Qian Gao, Jun Fan et al. · 1 citation