collaborators

10 papers

cs.CV2026

Seeing Red, Thinking Bad: Color Bias in Vision Language Models

Kohsuke Ide, Ryousuke Yamada, Yoshihiro Fukuhara +2

Vision language models (VLMs) are increasingly used in industrial decision-making systems, such as recruitment support and recommendation. This motivates careful analysis of how VL…

cs.CV2026

Image-Space Rule Discovery

Misora Sugiyama, Toya Oyama, Hirokatsu Kataoka

Can image-editing models discover visual rules in image space and complete problem-solving end-to-end? We tackle this question in the spirit of a human worksheet test (e.g., an IQ…

cs.CV2026

Local Brushstroke Quality Assessment via Vision-Language Feedback

Mio Mitamura, Hirokatsu Kataoka

This paper investigates whether multimodal LLMs can evaluate local brushstroke quality in calligraphy and generate educationally useful natural language feedback. We construct an e…

cs.CV2026

Feed-forward Motion In-betweening for Any 4D

Hiroki Nishizawa, Hubert P. H. Shum, Yoshihiro Fukuhara +2

4D dynamics (3D geometry evolving over time) is a fundamental representation of the physical world and plays a crucial role in world modeling (e.g., animation and games). Owing to…

cs.CV2026

HanDyVQA: A Video QA Benchmark for Fine-Grained Hand-Object Interaction Dynamics

Masatoshi Tateno, Gido Kato, Hirokatsu Kataoka +2

Hand-object interaction (HOI) inherently involves dynamics where human manipulations produce distinct spatio-temporal effects on objects. However, existing semantic HOI benchmarks…

cs.CV2026

CLIP-like Model as a Foundational Density Ratio Estimator

Fumiya Uchiyama, Rintaro Yanagi, Shohei Taniguchi +5

Density ratio estimation is a core concept in statistical machine learning because it provides a unified mechanism for tasks such as importance weighting, divergence estimation, an…