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  Spatiotemporal exaggeration of complex biological movements

Giese, M., Knappmeyer, B., Thornton, I., & Bülthoff, H. (2002). Spatiotemporal exaggeration of complex biological movements. Perception, 31(ECVP Abstract Supplement), 61.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-DF6A-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-97F6-B
Genre: Meeting Abstract

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 Creators:
Giese, MA, Author              
Knappmeyer, B1, 2, Author              
Thornton, IM1, 2, Author              
Bülthoff, HH1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: Exaggeration techniques are an excellent tool for investigating the representation of complex visual stimuli. In particular, they can help explore the notion that such stimuli are encoded as elements within continuous multidimensional perceptual spaces. For example, experimental evidence supporting this idea has been provided by the caricature effect for faces (eg Rhodes et al, 1987 Cognitive Psychology 19 473 - 497; Benson and Perrett, 1994 Perception 23 75 - 93). Traditionally, exaggeration techniques have been applied to static stimuli. However in everyday life we are mostly confronted with moving stimuli. Can complex-motion stimuli, such as biological movements, also be represented in continuous multidimensional spaces? Several methods have recently been developed which suggest that this is possible. These methods can be used to produce spatiotemporal caricatures. The aim of this contribution is twofold. First, we give an overview of these various spatiotemporal exaggeration methods. Second, we present a new method for the morphing and exaggeration of long complex sequences of facial expressions using photorealistic head models. In addition, preliminary data are shown which demonstrate the effect of spatiotemporal exaggeration on the ability to discriminate between complex individual facial-motion patterns.

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 Dates: 2002-08
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: BibTex Citekey: 2071
DOI: 10.1177/03010066020310S101
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Title: 25th European Conference on Visual Perception (ECVP 2002)
Place of Event: Glasgow, UK
Start-/End Date: 2002-08-25 - 2002-08-29

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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 31 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 61 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369