Author

Yu-Teng Xiao

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Preprint Sep 2026

Semantic-Spatial Agreement Verification for Mitigating Object Hallucination in Multimodal Large Language Models

Multimodal large language models generate natural-language responses from visual inputs, yet may mention objects absent from an image. In medication assistance, accessible perception, and environmental decision-making, such hallucinations can create real-world safety risks. We propose Semantic-Spatial Agreement Verific...

Zi-Heng Ren, Qian Gao, Jun Fan et al. · 0 citations

Preprint Aug 2026

Dual-Stream Cross-Anchor Correction Grounding Long-Form Captions and the Domain Limits of Object-Level Anchors

This paper proposes Dual-Stream Cross-Anchor Correction (DSCC), which injects object-level visual anchors into the language model itself during fine-tuning and reaches the long-caption, low-hallucination region.

LingKai Bu, Qian Gao, Jun Fan et al. · 0 citations