Interaction intent analysis of multiple persons using nonverbal behavior features

Sang Seok Yun, Munsang Kim, Mun Taek Choi, Jae Bok Song

Research output: Contribution to journalArticlepeer-review


According to the cognitive science research, the interaction intent of humans can be estimated through an analysis of the representing behaviors. This paper proposes a novel methodology for reliable intention analysis of humans by applying this approach. To identify the intention, 8 behavioral features are extracted from the 4 characteristics in human-human interaction and we outline a set of core components for nonverbal behavior of humans. These nonverbal behaviors are associated with various recognition modules including multimodal sensors which have each modality with localizing sound source of the speaker in the audition part, recognizing frontal face and facial expression in the vision part, and estimating human trajectories, body pose and leaning, and hand gesture in the spatial part. As a post-processing step, temporal confidential reasoning is utilized to improve the recognition performance and integrated human model is utilized to quantitatively classify the intention from multi-dimensional cues by applying the weight factor. Thus, interactive robots can make informed engagement decision to effectively interact with multiple persons. Experimental results show that the proposed scheme works successfully between human users and a robot in human-robot interaction.

Original languageEnglish
Pages (from-to)738-744
Number of pages7
JournalJournal of Institute of Control, Robotics and Systems
Issue number8
Publication statusPublished - 2013


  • Confidential reasoning
  • Human intention analysis
  • Human-robot interaction
  • Multiple-person interactions

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Applied Mathematics


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