activity
20242026
collaborators

11 papers

cs.CV2026

HakushoBench: A Japanese Chart and Table VQA Benchmark from Governmental White Papers

Issa Sugiura, Shuhei Kurita, Yusuke Oda +1

Understanding chart and table images is essential for applying vision-language models (VLMs) to real-world document understanding. While English benchmarks have advanced rapidly, n…

cs.CV2026

JAMMEval: A Refined Collection of Japanese Benchmarks for Reliable VLM Evaluation

Issa Sugiura, Koki Maeda, Shuhei Kurita +3

Reliable evaluation is essential for the development of vision-language models (VLMs). However, Japanese VQA benchmarks have undergone far less iterative refinement than their Engl…

cs.CV2026

Jagle: Building a Large-Scale Japanese Multimodal Post-Training Dataset for Vision-Language Models

Issa Sugiura, Keito Sasagawa, Keisuke Nakao +8

Developing vision-language models (VLMs) that generalize across diverse tasks requires large-scale training datasets with diverse content. In English, such datasets are typically c…

cs.CL2026

A Japanese Benchmark for Evaluating Social Bias in Reasoning Based on Attribution Theory

Taihei Shiotani, Masahiro Kaneko, Naoaki Okazaki

In enhancing the fairness of Large Language Models (LLMs), evaluating social biases rooted in the cultural contexts of specific linguistic regions is essential. However, most exist…

cs.CL2026

JUBAKU: An Adversarial Benchmark for Exposing Culturally Grounded Stereotypes in Japanese LLMs

Taihei Shiotani, Masahiro Kaneko, Ayana Niwa +4

Social biases reflected in language are inherently shaped by cultural norms, which vary significantly across regions and lead to diverse manifestations of stereotypes. Existing eva…

cs.CL2026

Multi-modal, Multi-task, Multi-criteria Automatic Evaluation with Vision Language Models

Masanari Ohi, Masahiro Kaneko, Naoaki Okazaki +1

Vision-language models (VLMs) have shown impressive abilities across a range of multi-modal tasks. However, existing metrics for evaluating the quality of text generated by VLMs ty…