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cs.CV2026
Semantic-Spatial Agreement Verification for Mitigating Object Hallucination in Multimodal Large Language Models
Ziheng Ren, Qian Gao, Jun Fan +3
Multimodal large language models generate natural-language responses from visual inputs, yet may mention objects absent from an image. In medication assistance, accessible percepti…
cs.CV2026
Dual-Stream Cross-Anchor Correction Grounding Long-Form Captions and the Domain Limits of Object-Level Anchors
Lingkai Bu, Qian Gao, Jun Fan +4
Object hallucination in multimodal large language models arises when language priors and corpus co-occurrence bias outweigh the visual evidence, with nothing tying an object mentio…
cs.CV2026
Diagnosing Dense Same-Class Attribute Misbinding in Large Vision-Language Models
Yuanzhi Xu, Qian Gao, Jun Fan +4
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…