Emotional Motion Modification Method Using Subtle Expressions for Humanoid Robots

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  • Nakagawa Kayako
    ATR Intelligent Robotics and Communication Laboratories Department of Systems Innovation, Osaka University
  • Shinozawa Kazuhiko
    ATR Intelligent Robotics and Communication Laboratories
  • Matsumura Reo
    ATR Intelligent Robotics and Communication Laboratories Department of Systems Innovation, Osaka University
  • Ishiguro Hiroshi
    ATR Intelligent Robotics and Communication Laboratories Department of Systems Innovation, Osaka University
  • Hagita Norihiro
    ATR Intelligent Robotics and Communication Laboratories

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Other Title
  • ヒューマノイドロボットのSubtle Expressionsによる感情モーション修飾手法
  • ヒューマノイドロボット ノ Subtle Expressions ニ ヨル カンジョウ モーション シュウショク シュホウ

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Abstract

<p>In human-robot interaction, robots often fail to convey humans' intentions or to draw them into lively conversation due to the robots' limited ability to express emotions. This paper proposes an emotional motion modification method using motion subtle expressions (MBEs) that generate emotional variations of a motion by combining MSEs based on a two-dimensional emotional model comprised of valence and arousal. We conducted experiments to validate the proposed method. MSEs for expressing valence and arousal were selected based on the results, and the outcomes of a subsequent experiment showed that our method effectively generated emotional motions. Additionally, the effects of generated emotional motions were evaluated in the experiment. The results showed that emotional motions could possibly influence users' attitudes and decisions. We believe that our method is useful to design various services that typically use an emotional approach to affect users' attitudes - for example, sales promotions or health management assistance.</p>

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