Zhikai Ding

Do LVLMs Know What They Know? A Systematic Study of Knowledge Boundary Perception in LVLMs

Large Vision-Language Models (LVLMs) demonstrate strong visual question answering (VQA) capabilities but are shown to hallucinate. A reliable model should perceive its knowledge boundaries—knowing what it knows and what it does not. This paper investigates LVLMs’ perception of their knowledge bounda