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  The Perceptual Influence of Spatiotemporal Noise on the Reconstruction of Shape from Dynamic Occlusion

Cooke, T., Cunningham, D., & Bülthoff, H. (2004). The Perceptual Influence of Spatiotemporal Noise on the Reconstruction of Shape from Dynamic Occlusion. In C. Rasmussen, H. Bülthoff, B. Schölkopf, & M. Giese (Eds.), Pattern Recognition: 26th DAGM Symposium, Tübingen, Germany, August 30 - September 1, 2004 (pp. 407-414). Berlin, Germany: Springer.

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 Urheber:
Cooke, T1, 2, Autor           
Cunningham, DW1, 2, Autor           
Bülthoff, HH1, 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, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Zusammenfassung: When an object moves, it covers and uncovers texture in the background. This pattern of change is sufficient to define the object’s shape, velocity, relative depth, and degree of transparency, a process called Spatiotemporal Boundary Formation (SBF). We recently proposed a mathematical framework for SBF, where texture transformations are used to recover local edge segments, estimate the figure’s velocity and then reconstruct its shape. The model predicts that SBF should be sensitive to spatiotemporal noise, since the spurious transformations will lead to the recovery of incorrect edge orientations. Here we tested this prediction by adding a patch of dynamic noise (either directly over the figure or a fixed distance away from it). Shape recognition performance in humans decreased to chance levels when noise was placed over the figure but was not affected by noise far away. These results confirm the model’s prediction and also imply that SBF is a local process.

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 Datum: 2004-09
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1007/978-3-540-28649-3_50
BibTex Citekey: 2791
 Art des Abschluß: -

Veranstaltung

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Titel: 26th Annual Symposium of the German Association for Pattern Recognition (DAGM 2004)
Veranstaltungsort: Tübingen, Germany
Start-/Enddatum: 2004-08-30 - 2004-09-01

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Quelle 1

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Titel: Pattern Recognition: 26th DAGM Symposium, Tübingen, Germany, August 30 - September 1, 2004
Genre der Quelle: Konferenzband
 Urheber:
Rasmussen, CE1, Herausgeber           
Bülthoff, HH1, Herausgeber           
Schölkopf, B1, Herausgeber           
Giese, MA, Herausgeber           
Affiliations:
1 Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794            
Ort, Verlag, Ausgabe: Berlin, Germany : Springer
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 407 - 414 Identifikator: ISBN: 978-3-540-22945-2

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Titel: Lecture Notes in Computer Science
Genre der Quelle: Reihe
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 3175 Artikelnummer: - Start- / Endseite: - Identifikator: -