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  Viewpoint dependence and face recognition

Schyns, P., & Bülthoff, H. (1994). Viewpoint dependence and face recognition. In A. Ram, & K. Eiselt (Eds.), Sixteenth Annual Conference of the Cognitive Science Society (pp. 789-793). Hillsdale, NJ, USA: Lawrence Erlbaum.

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 Creators:
Schyns, PG, Author
Bülthoff, HH1, Author              
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1External Organizations, ou_persistent22              

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 Abstract: Face recognition stands out as a singular case of object recognition: Although most faces are very much alike, people discriminate between many different faces with outstanding efficiency. Even though little is known about the mechanisms of face recognition, viewpoint dependence — a recurrent characteristic of research in face recognition — could help to understand algorithmic and representational issues. The current research tests whether learning only one view of a face could be sufficient to generalize recognition to other views of the same face. Computational and psychophysical research (Poggio \& Vetter, 1992) showed that learning one view of a bilaterally symmetric object could be sufficient for its recognition, if this view allows the computation of a symmetric, ''virtual,'' view. Faces are roughly bilaterally symmetiic objects. Learning a side-view — which always has a symmetric view — should allow for better generalization performances than learning the frontal view. Two psychophysical experiments tested these predictions. Stimuli were views of shaded 3 D models of laserscanned faces. The first experiment tested whether a particular view of a face was canonical. The second experiment tested which single views of a face give rise to best generalization performances. The results were compatible with the theoretical predictions of Poggio and Vetter (1992): learning a side view allows better generalization performances than learning the frontal view.

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 Dates: 1994-08
 Publication Status: Published in print
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Title: Sixteenth Annual Conference of the Cognitive Science Society (CogSci 1994)
Place of Event: Atlanta, GA, USA
Start-/End Date: 1994-08-13 - 1994-08-16

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Title: Sixteenth Annual Conference of the Cognitive Science Society
Source Genre: Proceedings
 Creator(s):
Ram, A, Editor
Eiselt, K, Editor
Affiliations:
-
Publ. Info: Hillsdale, NJ, USA : Lawrence Erlbaum
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 789 - 793 Identifier: ISBN: 0-8058-1803-0