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  How are three-dimensional objects represented in the brain?

Bülthoff, H., Edelman, S., & Tarr, M.(1994). How are three-dimensional objects represented in the brain? (5). Tübingen, Germany: Max Planck Institute for Biological Cybernetics.

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MPIK-TR-5.pdf (Verlagsversion), 414KB
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 Urheber:
Bülthoff, HH1, 2, Autor           
Edelman, SY1, 2, Autor           
Tarr, MJ1, 2, Autor           
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, ou_1497794              

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 Zusammenfassung: We discuss a variety of psychophysical experiments that explore different aspects of the problem of object recognition and representation in human vision. In all experiments, subjects were presented with realistically rendered images of computer-generated three-dimensional objects, with tight control over stimulus shape, surface properties, illumination, and viewpoint, as well as subjects' prior exposure to the stimulus objects. Contrary to the predictions of the paradigmatic theory of recognition, which holds that object representations are viewpoint invariant, performance in all experiments was consistently viewpoint dependent, was only partially
aided by binocular stereo and other depth information, was specific to viewpoints that were familiar, and was systematically disrupted by rotation in depth more than by deforming the two-dimensional images of the stimuli. The emerging concept of multiple-view representation
supported by these results is consistent with recently advanced computational theories of recognition based on view
interpolation. Moreover, in several simulated experiments employing the same stimuli used in experiments with human subjects, models based on multiple-views representations replicated many of the psychophysical results concerning the observed pattern of human performance.

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 Datum: 1994-03
 Publikationsstatus: Erschienen
 Seiten: 25
 Ort, Verlag, Ausgabe: Tübingen, Germany : Max Planck Institute for Biological Cybernetics
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 Identifikatoren: Reportnr.: 5
BibTex Citekey: 1460
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Titel: Technical Report of the Max Planck Institute for Biological Cybernetics
Genre der Quelle: Reihe
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Seiten: - Band / Heft: 5 Artikelnummer: - Start- / Endseite: - Identifikator: -