2 papers
cs.CL2025
MCM-DPO: Multifaceted Cross-Modal Direct Preference Optimization for Alt-text Generation
Jinlan Fu, Shenzhen Huangfu, Hao Fei +4
The alt-text generation task produces concise, context-relevant descriptions of images, enabling blind and low-vision users to access online images. Despite the capabilities of lar…
cs.CL2025
CHiP: Cross-modal Hierarchical Direct Preference Optimization for Multimodal LLMs
Jinlan Fu, Shenzhen Huangfu, Hao Fei +4
Multimodal Large Language Models (MLLMs) still struggle with hallucinations despite their impressive capabilities. Recent studies have attempted to mitigate this by applying Direct…