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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.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…