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Hyunyoung Lee

3 accepted papers

2026

Focus, Don't Prune: Identifying Instruction-Relevant Regions for Information-Rich Image Understanding

CVPR 2026

Large Vision-Language Models (LVLMs) have shown strong performance across various multimodal tasks by leveraging the reasoning capabilities of Large Language Models (LLMs). However, processing visually complex and information-rich images, such as infographics or document layouts, requires these mode

Cited by 0SourcecodeScholar
2025

ESPRESSO: An Effective Approach to Passage Retrieval for High-Quality Conversational Recommender Systems

AAAI 2025technical

Conversational Recommender Systems (CRS) aim to provide tailored recommendation responses via a chat interface, including both the user's preferred item and its accompanying explanation. However, due to its generative nature, CRS are prone to responding with factually incorrect explanations (i.e., h…

2025

Watermarking for Factuality: Guiding Vision-Language Models Toward Truth via Tri-layer Contrastive Decoding

EMNLP 2025

Large Vision-Language Models (LVLMs) have recently shown promising results on various multimodal tasks, even achieving human-comparable performance in certain cases. Nevertheless, LVLMs remain prone to hallucinations–they often rely heavily on a single modality or memorize training data without prop

Cited by 0SourcePDFScholar