Monika Wysocza{\'n}ska

OVFact: Measuring and Improving Open-Vocabulary Factuality for Long Caption Models

Large vision-language models (VLMs) often struggle to generate long and factual captions. However, traditional measures for hallucination and factuality are not well suited for evaluating longer, more diverse captions and in settings where ground-truth human-annotated captions are unavailable. We in