activity
20242026
collaborators

15 papers

cs.LG2026

Looking in the Mirror: Introspecting Side-Effect Misalignments Induced by Fine-Tuning

Kotaro Yoshida, Laura Gomezjurado Gonzalez, Yukinori Yamamoto +3

Fine-tuning enables a source model to acquire desired capabilities and behaviors in a target domain while retaining much of its general-purpose competence. However, this adaptation…

cs.IR2026

ZoRRO: A Zero-Weight Personalized Recommender System for Scalable News Recommendation

Johannes Kruse, Ryotaro Shimizu, Kasper Lindskow +4

We present ZoRRO (Zero-Weight Personalized Recommender System), a zero-weight, training-free framework for personalized news recommendation designed for scalable real-world deploym…

cs.CV2026

Reference-Free Image Quality Assessment for Virtual Try-On via Human Feedback

Yuki Hirakawa, Takashi Wada, Ryotaro Shimizu +6

As virtual try-on (VTON) systems become increasingly important in fashion e-commerce, there is a growing need for reliable reference-free evaluation methods, since ground-truth ima…

cs.CV2026

MultiEmo-Bench: Multi-label Visual Emotion Analysis for Multi-modal Large Language Models

Tianwei Chen, Takuya Furusawa, Yuki Hirakawa +3

This paper introduces a multi-label visual emotion analysis benchmark dataset for comprehensively evaluating the ability of multimodal large language models (MLLMs) to predict the…

cs.CV2026

Masked Language Prompting for Generative Data Augmentation in Few-shot Fashion Style Recognition

Yuki Hirakawa, Ryotaro Shimizu

Constructing dataset for fashion style recognition is challenging due to the inherent subjectivity and ambiguity of style concepts. Recent advances in text-to-image models have fac…

cs.LG2026

DisTaC: Conditioning Task Vectors via Distillation for Robust Model Merging

Kotaro Yoshida, Yuji Naraki, Takafumi Horie +2

Model merging has emerged as an efficient and flexible paradigm for multi-task learning, with numerous methods being proposed in recent years. However, these state-of-the-art techn…