An approach for automatically measuring facial activity in depressed subjects

Gordon McIntyre*, Roland Göcke, Matthew Hyett, Melissa Green, Michael Breakspear

*Corresponding author for this work

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

    45 Citations (Scopus)

    Abstract

    This paper is motivated by Ellgring's work in non-verbal communication in depression to measure and compare the levels of facial activity, before and after treatment, of endogenous and neurotic depressives. Similar to that work, we loosely associate the measurements with Action Units (AU) groups from the Facial Action Coding System (FACS). However, we use the neologism Region Units (RU) to describe regions of the face that encapsulate AUs. In contrast to Ellgring's approach, we automatically generate the measurements and provide both prototypical expression recognition and RU-specific activity measurements. Latency between expressions is also measured and the system is conducive to comparison across groups and individual subjects. By using Active Appearance Models (AAM) to locate the fiduciary facial points, and MultiBoost to classify prototypical expressions and the RUs, we can provide a simple, objective, flexible and cost-effective means of automatically measuring facial activity.

    Original languageEnglish
    Title of host publicationProceedings - 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, ACII 2009
    DOIs
    Publication statusPublished - 2009
    Event2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, ACII 2009 - Amsterdam, Netherlands
    Duration: 10 Sept 200912 Sept 2009

    Publication series

    NameProceedings - 2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, ACII 2009

    Conference

    Conference2009 3rd International Conference on Affective Computing and Intelligent Interaction and Workshops, ACII 2009
    Country/TerritoryNetherlands
    CityAmsterdam
    Period10/09/0912/09/09

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