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The quantification of smiling using a microcomputer-based approach
Journal article   Peer reviewed

The quantification of smiling using a microcomputer-based approach

Mary Katsikitis, I Pilowsky and J M Innes
Journal of Nonverbal Behavior, Vol.14(1), pp.3-17
1990
DOI: https://doi.org/10.1007/BF01006576
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https://doi.org/10.1007/BF01006576View
Published Version

Abstract

Psychology Cognitive Sciences
This study examines the relationship between the ratings made of a set of smiling and neutral expressions and the facial features which influence these ratings. Judges were shown forty real face photographs of smile and neutral expressions and forty line drawings derived from these photographs and were asked to rate the degree of smiling behavior of each expression. The line drawings of the face were generated by a microcomputer which utilizes a mathematical model to quantify facial expression. Twelve facial measures were generated by the computer. Significant differences were found between the ratings of smile and neutral expressions. The Mode of Presentation did not contribute significantly to the ratings. Using the facial measures as separate covariates, five mouth measures and one eye measure were found to discriminate significantly between the ratings made on smile and neutral expressions. When entered as simultaneous covariates, only four mouth measures contributed to the differences found in the expression ratings. Future research projects which may utilise the computer model are discussed.

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18 Times Cited - Web of Science

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Domestic collaboration
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Psychology, Social
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