collaborators

5 papers

cs.RO2026

From Metrics to Meaning: Insights from a Mixed-Methods Field Experiment on Retail Robot Deployment

Sichao Song, Yuki Okafuji, Takuya Iwamoto +2

We report a mixed-methods field experiment of a conversational service robot deployed under everyday staffing discretion in a live bedding store. Over 12 days we alternated three c…

cs.HC2025

Understanding Collaboration between Professional Designers and Decision-making AI: A Case Study in the Workplace

Nami Ogawa, Yuki Okafuji, Yuji Hatada +1

The rapid development of artificial intelligence (AI) has fundamentally transformed creative work practices in the design industry. Existing studies have identified both opportunit…

cs.RO2025

User Experience Estimation in Human-Robot Interaction Via Multi-Instance Learning of Multimodal Social Signals

Ryo Miyoshi, Yuki Okafuji, Takuya Iwamoto +2

In recent years, the demand for social robots has grown, requiring them to adapt their behaviors based on users' states. Accurately assessing user experience (UX) in human-robot in…

cs.RO2025

A Noise-Robust Turn-Taking System for Real-World Dialogue Robots: A Field Experiment

Koji Inoue, Yuki Okafuji, Jun Baba +3

Turn-taking is a crucial aspect of human-robot interaction, directly influencing conversational fluidity and user engagement. While previous research has explored turn-taking model…

cs.HC2025

What Drives You to Interact?: The Role of User Motivation for a Robot in the Wild

Amy Koike, Yuki Okafuji, Kenya Hoshimure +1

In this paper, we aim to understand how user motivation shapes human-robot interaction (HRI) in the wild. To explore this, we conducted a field study by deploying a fully autonomou…