An observation based muscle model for simulation of facial expressions

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dc.authorid0000-0001-9033-8934
dc.authorid0000-0003-0298-0690
dc.authorid0000-0001-9033-8934en_US
dc.authorid0000-0003-0298-0690en_US
dc.contributor.authorErkoç, Tuğbaen_US
dc.contributor.authorAğdoğan, Didemen_US
dc.contributor.authorEskil, Mustafa Taneren_US
dc.date.accessioned2019-03-17T23:46:27Z
dc.date.available2019-03-17T23:46:27Z
dc.date.issued2018-05
dc.departmentIşık Üniversitesi, Mühendislik Fakültesi, Bilgisayar Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering, Department of Computer Engineeringen_US
dc.description.abstractThis study presents a novel facial muscle model for coding of facial expressions. We derive this model from unintrusive observation of human subjects in the progress of the surprise expression. We use a generic and single-layered face model which embeds major muscles of the human face. This model is customized onto the human subject's face on the first frame of the video. The last frame of the video is used to project a set of manually marked feature points to estimate the 3 dimensional displacements of vertices due to facial expression. Vertex displacements are used in a mass spring model to estimate the external forces, i.e. the muscle forces on the skin. We observed that the distribution of muscle forces resemble sigmoid or hyperbolic tangent functions. We chose hyperbolic tangent function as our base model and parameterized it using least squares. We compared the proposed muscle model with frequently used models in the literature.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationErkoç, T., Ağdoğan, D. & Eskil, M. T. (2018). An observation based muscle model for simulation of facial expressions. Signal Processing: Image Communication, 64, 11-20. doi:10.1016/j.image.2018.02.009en_US
dc.identifier.doi10.1016/j.image.2018.02.009
dc.identifier.endpage20
dc.identifier.issn0923-5965en_US
dc.identifier.issn1879-2677en_US
dc.identifier.scopus2-s2.0-85042847614en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage11
dc.identifier.urihttps://hdl.handle.net/11729/1472
dc.identifier.urihttp://dx.doi.org/10.1016/j.image.2018.02.009
dc.identifier.volume64
dc.identifier.wosWOS:000430783900002en_US
dc.identifier.wosqualityQ2
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorErkoç, Tuğbaen_US
dc.institutionauthorAğdoğan, Didemen_US
dc.institutionauthorEskil, Mustafa Taneren_US
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherElsevier Science BVen_US
dc.relation.ispartofSignal Processing: Image Communicationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFace anatomyen_US
dc.subjectMuscle modelen_US
dc.subjectFacial expressionen_US
dc.subjectVirtual humanen_US
dc.subjectDeformationsen_US
dc.subjectRecognitionen_US
dc.subjectFaceen_US
dc.subjectAnimationen_US
dc.subjectSurgeryen_US
dc.subjectExtractionen_US
dc.subjectAnatomyen_US
dc.titleAn observation based muscle model for simulation of facial expressionsen_US
dc.typeArticleen_US

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