Methodologies for the User Evaluation of the Motion of Virtual Humans

S.E.M. Jansen, H. van Welbergen

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    3 Citations (Scopus)
    4 Downloads (Pure)


    Virtual humans are employed in many interactive applications, including (serious) games. Their motion should be natural and allow interaction with its surroundings and other (virtual) humans in real time. Physical controllers offer physical realism and (physical) interaction with the environment. Because they typically act on a selected set of joints, it is hard to evaluate their naturalness in isolation. We propose to augment the motion steered by such a controller with motion capture, using a mixed paradigm animation that creates coherent full body motion. A user evaluation of this resulting motion assesses the naturalness of the controller. Methods from Signal Detection Theory provide us with evaluation metrics that can be compared among different test setups, observers and motions. We demonstrate our approach by evaluating the naturalness of a balance controller. We compare different test paradigms, assessing their efficiency and sensitivity.
    Original languageEnglish
    Title of host publicationIntelligent Virtual Agents
    Subtitle of host publication9th International Conference, IVA 2009 Amsterdam, The Netherlands, September 14-16, 2009 Proceedings
    Place of PublicationBerlin
    Number of pages7
    ISBN (Electronic)978-3-642-04380-2
    ISBN (Print)978-3-642-04379-6
    Publication statusPublished - 19 Sept 2009
    Event9th International Conference on Intelligent Virtual Agents, IVA 2009 - Amsterdam, Netherlands
    Duration: 14 Sept 200916 Sept 2009
    Conference number: 9

    Publication series

    NameLecture Notes in Computer Science
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349


    Conference9th International Conference on Intelligent Virtual Agents, IVA 2009
    Abbreviated titleIVA


    • METIS-264016
    • IR-67878
    • EWI-16045
    • Evaluation of Virtual Agents
    • CR-I.3.7
    • Naturalness of Animation


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