Author

Mujeen Sung

Department of Computer Science and Engineering, Korea University, Seoul, South Korea

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#artificial intelligence Jun 2026

Breaking Failure Cascades: Step-Aware Reinforcement Learning for Medical Multimodal Reasoning

Across four multimodal LLM backbones, MRPO consistently outperforms standard GRPO and a recent RL baseline, and on Qwen3-VL-8B-Thinking even surpasses substantially larger medical MLLMs such as HuatuoGPT-Vision-34B by 4.59 points.

Jun-Ha Jung, Minbyul Jeong, Suhyeon Lim et al. · arXiv.org · 2 citations

Open access Aug 2026

KoViDoRe: A Benchmark for Korean Visual Document Retrieval

This work introduces KoViDoRe, a benchmark for Korean visual document retrieval, and curates a large-scale training dataset, Ko-VDR Train Public, to support the development of retrieval models tailored to Korean visual documents.

Yongbin Choi, Yongwoo Song, Mujeen Sung · Proceedings of the 2nd Works... · 1 citation