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AI-generated faces show lower morphological diversity than real faces do

dc.contributor.authorBoudníková, Olga
dc.contributor.authorKleisner, Karel
dc.date.accessioned2024-06-04T07:53:05Z
dc.date.available2024-06-04T07:53:05Z
dc.date.issued2024-06-03
dc.identifier.issn1898-6773
dc.identifier.urihttp://hdl.handle.net/11089/52295
dc.description.abstractSome recent studies suggest that artificial intelligence can create realistic human faces subjectively unrecognizable from faces of real people. We have compared static facial photographs of 197 real men with a sample of 200 male faces generated by artificial intelligence to test whether they converge in basic morphological characteristic such as shape variation and bilateral asymmetry. Both datasets depicted standardized faces of European men with a neutral expression. Then we used geometric morphometrics to investigate their facial morphology and calculate the measures of shape variation and asymmetry. We found that the natural faces of real individuals were more variable in their facial shape than the artificially generated faces were. Moreover, the artificially synthesized faces showed lower levels of facial asymmetry than the control group. Despite the rapid development of generative adversarial networks, natural faces are thus still statistically distinguishable from the artificial ones by objective measurements. We recommend the researchers in face perception, that aim to use artificially generated faces as ecologically valid stimuli, to check whether their stimuli morphological variance is comparable with that of natural faces in a target population.en
dc.language.isoen
dc.publisherWydawnictwo Uniwersytetu Łódzkiegopl
dc.relation.ispartofseriesAnthropological Review;1en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectgeometric morphometricsen
dc.subjectGANen
dc.subjectartificial intelligenceen
dc.subjecthuman faceen
dc.subjectmorphologyen
dc.subjectsymmetryen
dc.titleAI-generated faces show lower morphological diversity than real faces doen
dc.typeArticle
dc.page.number81-91
dc.contributor.authorAffiliationBoudníková, Olga - Charles University, Faculty of Science, Department of Philosophy and History of Scienceen
dc.contributor.authorAffiliationKleisner, Karel - Charles University, Faculty of Science, Department of Philosophy and History of Scienceen
dc.identifier.eissn2083-4594
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dc.contributor.authorEmailBoudníková, Olga - olga.budnik@natur.cuni.cz
dc.contributor.authorEmailKleisner, Karel - karel.kleisner@natur.cuni.cz
dc.identifier.doi10.18778/1898-6773.87.1.06
dc.relation.volume87


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