collaborators

6 papers

cs.CL2026

Manga109-v2026: Revisiting Manga109 Annotations for Modern Manga Understanding

Jeonghun Baek, Atsuyuki Miyai, Shota Onohara +2

Manga is a culturally distinctive multimodal medium and one of the most influential forms of Japanese popular culture. As AI systems increasingly target manga understanding, OCR, a…

cs.CL2026

Beyond Bilingual Transfer: Multilingual Code-Switching in Instruction Tuning

Shunta Asano, Jeonghun Baek, Toshihiko Yamasaki

Recent studies have shown that code-switching data (CSD), in which multiple languages are mixed within the same context, can improve cross-lingual transfer and multilingual alignme…

cs.CL2026

MangaVQA and MangaLMM: A Benchmark and Specialized Model for Multimodal Manga Understanding

Jeonghun Baek, Kazuki Egashira, Shota Onohara +4

Manga, or Japanese comics, is a richly multimodal narrative form that blends images and text in complex ways. Teaching large multimodal models (LMMs) to understand such narratives…

cs.CL2025

JMMMU-Pro: Image-based Japanese Multi-discipline Multimodal Understanding Benchmark via Vibe Benchmark Construction

Atsuyuki Miyai, Shota Onohara, Jeonghun Baek +1

This paper introduces JMMMU-Pro, an image-based Japanese Multi-discipline Multimodal Understanding Benchmark, and Vibe Benchmark Construction, a scalable construction method. Follo…

cs.CL2025

Harnessing PDF Data for Improving Japanese Large Multimodal Models

Jeonghun Baek, Akiko Aizawa, Kiyoharu Aizawa

Large Multimodal Models (LMMs) have demonstrated strong performance in English, but their effectiveness in Japanese remains limited due to the lack of high-quality training data. C…

cs.CL2025

JMMMU: A Japanese Massive Multi-discipline Multimodal Understanding Benchmark for Culture-aware Evaluation

Shota Onohara, Atsuyuki Miyai, Yuki Imajuku +5

Accelerating research on Large Multimodal Models (LMMs) in non-English languages is crucial for enhancing user experiences across broader populations. In this paper, we introduce J…