Papers
10
Total Citations
124
H-Index
8
About
Tetsu Watanabe is a pioneering researcher in human-robot interaction, embodied communication systems, and speech-driven robotic interfaces. His work centers on understanding and replicating the nuanced dynamics of face-to-face human interaction through intelligent robotic and virtual systems. Watanabe's most significant contribution is the development of InterActor and InterRobot — speech-driven embodied systems capable of generating expressive, contextually coherent actions synchronized with human speech. These platforms, introduced in the early 2000s and accumulating dozens of citations, laid important groundwork for naturalistic human-robot communication by modeling how gestures, nodding, and utterance timing function together in social exchanges. A recurring theme in his research is the precise timing of communicative actions relative to speech. Through rigorous analysis-by-synthesis methodology, Watanabe identified that human utterance is consistently delayed approximately 0.3 seconds relative to communicative gestures during greetings — a subtle but critical finding for designing believable robotic interactions. His physiological investigations into heart rate variability during face-to-face entrainment further demonstrate his interdisciplinary reach. Later work expanded into educational robotics, exemplified by PEKOPPA and studies on robot-child interaction, exploring conscious and unconscious processes in developmental contexts. Across his career, Watanabe has made enduring contributions to creating robots that genuinely support and enhance human communication.
Research Focus
Key Achievements
Top Papers
- 1InterActor: Speech-driven embodied interactive actor23 citations · 2003
- 2
- 3
- 4An embodied interaction robots system based on speech18 citations · 2003
- 5
- 6
- 7
- 8
- 9
- 10