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Facial expression classification based on MPEG-4 FAPs: The use of evidence and prior knowledge for uncertainty removal

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dc.contributor.author Wallace, M en
dc.contributor.author Raouzaiou, A en
dc.contributor.author Tsapatsoulis, N en
dc.contributor.author Kollias, S en
dc.date.accessioned 2014-03-01T02:42:46Z
dc.date.available 2014-03-01T02:42:46Z
dc.date.issued 2004 en
dc.identifier.issn 10987584 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/31072
dc.subject Evidence Theory en
dc.subject Expression Analysis en
dc.subject Facial Expression en
dc.subject Measurement Uncertainty en
dc.subject Prior Knowledge en
dc.subject Low Resolution en
dc.subject.other Facial features en
dc.subject.other Feature points (FP) en
dc.subject.other Neurofuzzy system en
dc.subject.other Video sequences en
dc.subject.other Approximation theory en
dc.subject.other Estimation en
dc.subject.other Feature extraction en
dc.subject.other Fuzzy sets en
dc.subject.other Linguistics en
dc.subject.other Mathematical models en
dc.subject.other Neural networks en
dc.subject.other Video conferencing en
dc.subject.other Face recognition en
dc.title Facial expression classification based on MPEG-4 FAPs: The use of evidence and prior knowledge for uncertainty removal en
heal.type conferenceItem en
heal.identifier.primary 10.1109/FUZZY.2004.1375686 en
heal.identifier.secondary http://dx.doi.org/10.1109/FUZZY.2004.1375686 en
heal.publicationDate 2004 en
heal.abstract As low resolution shots, rotations of the head with respect to the camera, face deformation due to speech and so on inflict a great deal of uncertainty in FAP measurements, uncertainty is also inherent in the process of expression analysis. In this paper we tackle such uncertainty via the observation that user emotions do not typically alter rapidly very often. Thus, possibilistic evidence may be gathered from each frame about the user expression; evidence from the current and recent frames can be combined using evidence theory. en
heal.journalName IEEE International Conference on Fuzzy Systems en
dc.identifier.doi 10.1109/FUZZY.2004.1375686 en
dc.identifier.volume 1 en
dc.identifier.spage 51 en
dc.identifier.epage 54 en


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