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cs.CV2025
ChartCap: Mitigating Hallucination of Dense Chart Captioning
Junyoung Lim, Jaewoo Ahn, Gunhee Kim
Generating accurate, informative, and hallucination-free captions for charts remains challenging for vision language models, primarily due to the lack of large-scale, high-quality…
cs.CV2025
LPOI: Listwise Preference Optimization for Vision Language Models
Fatemeh Pesaran Zadeh, Yoojin Oh, Gunhee Kim
Aligning large VLMs with human preferences is a challenging task, as methods like RLHF and DPO often overfit to textual information or exacerbate hallucinations. Although augmentin…