Gaze Behavior, Believability, Likability and the iCat

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    Abstract

    The iCat is a user-interface robot with the ability to express a range of emotions through its facial features. This paper summarizes our research whether we can increase the believability and likability of the iCat for its human partners through the application of gaze behaviour. Gaze behaviour serves several functions during social interaction such as mediating conversation flow, communicating emotional information and avoiding distraction by restricting visual input. There are several types of eye and head movements that are necessary for realizing these functions. We designed and evaluated a gaze behaviour system for the iCat robot that implements realistic models of the major types of eye and head movements found in living beings: vergence, vestibulo ocular reflexive, smooth pursuit movements and gaze shifts. We discuss how these models are integrated into the software environment of the iCat and can be used to create complex interaction scenarios. We report about some preliminary user tests and draw conclusions for future evaluation scenarios.
    Original languageUndefined
    Title of host publicationProceedings Sixth Workshop on Social Intelligence Design
    EditorsAntinus Nijholt, O. Stock, T. Nishida
    Place of PublicationEnschede
    PublisherCentre for Telematics and Information Technology (CTIT)
    Pages109-124
    Number of pages16
    Publication statusPublished - 25 Jun 2007

    Publication series

    NameCTIT Workshop Proceedings Series
    PublisherCentre for Telematics and Information Technology University of Twente
    Number06472
    VolumeWP07-02
    ISSN (Print)1574-0846
    ISSN (Electronic)0929-0672

    Keywords

    • iCat
    • EWI-10260
    • HMI-MI: MULTIMODAL INTERACTIONS
    • Social gaze behaviour
    • IR-64113
    • Believability
    • User-interface robot
    • METIS-241670

    Cite this

    Poel, M., Heylen, D. K. J., & Meulemans, M. (2007). Gaze Behavior, Believability, Likability and the iCat. In A. Nijholt, O. Stock, & T. Nishida (Eds.), Proceedings Sixth Workshop on Social Intelligence Design (pp. 109-124). (CTIT Workshop Proceedings Series; Vol. WP07-02, No. 06472). Enschede: Centre for Telematics and Information Technology (CTIT).