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  Local structure facilitates rapid scene perception

Ruppertsberg, A., Tjan, B., & Bülthoff, H. (2000). Local structure facilitates rapid scene perception. Poster presented at 23rd European Conference on Visual Perception (ECVP 2000), Groningen, The Netherlands.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E48C-B Version Permalink: http://hdl.handle.net/21.11116/0000-0005-BAAD-7
Genre: Poster

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Ruppertsberg, AI1, 2, Author              
Tjan, BS, 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              

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 Abstract: Local structures, presented briefly in the form of a scrambled image, prime recognition of a target picture (Tjan et al, 2000 ARVO). Does this priming reveal a mechanism intrinsic to rapid scene perception? Participants had to judge which of two black-and-white cut-outs belong to a natural-scene picture embedded in a presentation sequence. Three types of images could be presented in combinations within the sequence: a coherent colour picture (C), its block-scrambled (46 × 46 pixels) version (J), or its pixel-scrambled colour-preserving version (F). Prior studies showed that performance for 3J2C (three frames of J followed by two frames of C, 14 ms frame-1) is better than for 2C alone. In the present study, we found that performance decreased if either the 3J or the 2C component of 3J2C was removed by replacing it with 3F or 2F, respectively. Performance also worsened when observers were shown two presentation sequences, one containing only the 3J and the other only 2C, before making a decision. Taken together, these results show that the level of facilitation by local structures (3J) is beyond a simple combination of two sources of information (3J and 2C). Local structures prime scene recognition by interacting with the normal process for rapid scene perception.

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 Dates: 2000-08
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 137
DOI: 10.1177/03010066000290S101
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Title: 23rd European Conference on Visual Perception (ECVP 2000)
Place of Event: Groningen, The Netherlands
Start-/End Date: 2000-08-27 - 2000-08-31

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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 29 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 76 Identifier: ISSN: 0301-0066
CoNE: https://pure.mpg.de/cone/journals/resource/954925509369