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Yuki Okafuji

2 papers indexed

openalexScientific Reports2026-07-24

Exploring the role of a social robot in building a sense of connection

Allen Zhang, Yuki Okafuji, Kenya Hoshimure, Midori Ban, Hideyuki Takahashi, Takahisa Uchida, et al.

Abstract An important but under-explored use case for socially assistive robotics is in community formation. In this work, we conduct a novel investigation into the ability of a social robot to encourage human-human relationships among users. We conduct a between-subjects Wizard-…

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arxivcs.RO2026-07-13

Breaking the 15% Barrier: A Real-World Data-Driven System for Proactive Social Robot Triggered by User Nonverbal Cues

Yuga Yano, Yuki Okafuji, Ryo Miyoshi, Sanae Yamashita, Yoshiki Ohira

Service robots in retail stores increasingly rely on cascaded speech pipelines (STT-LLM-TTS), yet many customer-robot interactions are initiated or guided by nonverbal behaviors such as approaching, waving, pointing, or showing items. This paper studies such cues in a real-world…

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