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  Evaluating the Perceptual Realism of Animated Facial Expressions

Wallraven, C., Breidt, M., Cunningham, D., & Bülthoff, H. (2008). Evaluating the Perceptual Realism of Animated Facial Expressions. ACM Transactions on Applied Perception, 4(4): 4, pp. 1-20. doi:10.1145/1278760.1278764.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-CAA1-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1C6D-5
Genre: Journal Article

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 Creators:
Wallraven, C1, 2, Author              
Breidt, M1, 2, 3, Author              
Cunningham, DW1, 2, Author              
Bülthoff, HH1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
3Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528702              

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 Abstract: The human face is capable of producing an astonishing variety of expressions—expressions for which sometimes the smallest difference changes the perceived meaning considerably. Producing realistic-looking facial animations that are able to transport this degree of complexity continues to be a challenging research topic in computer graphics. One important question that remains to be answered is: When are facial animations good enough? Here we present an integrated framework in which psychophysical experiments are used in a first step to systematically evaluate the perceptual quality of several different computer-generated animations with respect to real-world video sequences. The first experiment provides an evaluation of several animation techniques, exposing specific animation parameters that are important to achieve perceptual fidelity. In a second experiment we then use these benchmarked animation techniques in the context of perceptual research in order to systematically investigate the spatio-temporal characteristics of expressions. A third and final experiment uses the quality measures that were developed in the first two experiments to examine the perceptual impact of changing facial features to improve the animation techniques. Using such an integrated approach, we are able to provide important insights into facial expressions for both the perceptual and computer graphics community.

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 Dates: 2008-01
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1145/1278760.1278764
BibTex Citekey: 3996
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Title: ACM Transactions on Applied Perception
Source Genre: Journal
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Publ. Info: New York, NY : Association for Computing Machinery
Pages: - Volume / Issue: 4 (4) Sequence Number: 4 Start / End Page: 1 - 20 Identifier: ISSN: 1544-3558
CoNE: https://pure.mpg.de/cone/journals/resource/111056648028200