Metric-Driven Reinforcement Learning for Object Hallucination Reduction in LVLM-Based Image Captioning

Thanh Nguyen, Hee Suk Yoon, Tung Minh Luu +2

Large Vision-Language Models (LVLMs) have excelled in joint visual and language understanding, particularly in image captioning. However, LVLMs remain prone to object hallucination…