Interpretation of time dependent facial expressions in terms of emotional stimuli

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    Abstract

    In this paper we demonstrate how genetic programming can be used to interpret time dependent facial expressions in terms of emotional stimuli of different types and intensities. In our analysis we have used video records of facial expressions made during the Mars-500 experiment in which six participants have been isolated for 520 days to simulate flight to Mars. The FaceReader, commercial software developed by VicarVision and Noldus Information Technology, has been used to extract seven time dependent components of facial expressions from the video records. To interpret the obtained time dependent components of facial expressions we have proposed a mathematical model of emotional stimuli assuming that dynamics of facial expressions is determined by emotional stimuli of different types and intensities and facial expression at the moment of the stimuli. Genetic programming has been used to find the locations, types and intensities of the emotional stimuli as well as the way the facial expressions react on them.
    Original languageEnglish
    Title of host publicationProceedings of the 4th International Conference on Evolutionary Computation Theory and Applications(ECTA2012), 5-7 October 2012, Barcelona, Spain
    DOIs
    Publication statusPublished - 2012
    Eventconference; International Conference on Evolutionary Computation Theory and Applications - ECTA 2012; 2012-10-05; 2012-10-07 -
    Duration: 5 Oct 20127 Oct 2012

    Conference

    Conferenceconference; International Conference on Evolutionary Computation Theory and Applications - ECTA 2012; 2012-10-05; 2012-10-07
    Period5/10/127/10/12
    OtherInternational Conference on Evolutionary Computation Theory and Applications - ECTA 2012

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