Towards a comprehensive 3D dynamic facial expression database

Frowd, Charlie orcid iconORCID: 0000-0002-5082-1259, Matuszewski, Bogdan orcid iconORCID: 0000-0001-7195-2509, Shark, Lik orcid iconORCID: 0000-0002-9156-2003 and Quan, Wei orcid iconORCID: 0000-0003-2099-9520 (2009) Towards a comprehensive 3D dynamic facial expression database. In: 9th WSEAS international conference on signal, speech and image processing, and 9th WSEAS international conference on Multimedia, internet & video technologies, September 3-5, 2009, Budapest, Hungary.

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Human faces play an important role in everyday life, including the expression of person identity,
emotion and intentionality, along with a range of biological functions. The human face has also become the
subject of considerable research effort, and there has been a shift towards understanding it using stimuli of
increasingly more realistic formats. In the current work, we outline progress made in the production of a
database of facial expressions in arguably the most realistic format, 3D dynamic. A suitable architecture for
capturing such 3D dynamic image sequences is described and then used to record seven expressions (fear,
disgust, anger, happiness, surprise, sadness and pain) by 10 actors at 3 levels of intensity (mild, normal and
extreme). We also present details of a psychological experiment that was used to formally evaluate the
accuracy of the expressions in a 2D dynamic format. The result is an initial, validated database for researchers
and practitioners. The goal is to scale up the work with more actors and expression types.

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