Emotional Gait: Effects on Humans’ Perception of Humanoid Robots. Destephe, M.; Brandao, M.; Kishi, T.; Zecca, M.; Hashimoto, K.; and Takanishi, A. In 23rd IEEE International Symposium on Robot and Human Interactive Communication, August, 2014.
abstract   bibtex   
Humanoid robots have this formidable advantage to possess a body quite similar in shape to humans. This body grants them, obviously, locomotion but also a medium to express emotions without even needing a face. In this paper we propose to study the effects of emotional gaits from our biped humanoid robot on the subjects’ perception of the robot (recognition rate of the emotions, reaction time, anthropomorphism, safety, likeness, etc.). We made the robot walk towards the subjects with different emotional gait patterns. We assessed positive (Happy) and negative (Sad) emotional gait patterns on 26 subjects divided in two groups (whether they were familiar with robots or not). We found that even though the recognition of the different types of patterns does not differ between groups, the reaction time does. We found that emotional gait patterns affect the perception of the robot. The implications of the current results for Human Robot Interaction (HRI) are discussed.
@inproceedings{ Destephe2014,
  author = {Matthieu Destephe and Martim Brandao and Tatsuhiro Kishi and Massimiliano
	Zecca and Kenji Hashimoto and Atsuo Takanishi},
  title = {Emotional Gait: Effects on Humans’ Perception of Humanoid Robots},
  booktitle = {23rd IEEE International Symposium on Robot and Human Interactive
	Communication},
  year = {2014},
  month = {August},
  abstract = {Humanoid robots have this formidable advantage to possess a body quite
	similar in shape to humans. This body grants them, obviously, locomotion
	but also a medium to express emotions without even needing a face.
	In this paper we propose to study the effects of emotional gaits
	from our biped humanoid robot on the subjects’ perception of the
	robot (recognition rate of the emotions, reaction time, anthropomorphism,
	safety, likeness, etc.). We made the robot walk towards the subjects
	with different emotional gait patterns. We assessed positive (Happy)
	and negative (Sad) emotional gait patterns on 26 subjects divided
	in two groups (whether they were familiar with robots or not). We
	found that even though the recognition of the different types of
	patterns does not differ between groups, the reaction time does.
	We found that emotional gait patterns affect the perception of the
	robot. The implications of the current results for Human Robot Interaction
	(HRI) are discussed.},
  keywords = {Human-Robot Interaction, Humanoid robots}
}
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