Document Detail

Global image properties do not guide visual search.
MedLine Citation:
PMID:  21610085     Owner:  NLM     Status:  MEDLINE    
While basic visual features such as color, motion, and orientation can guide attention, it is likely that additional features guide search for objects in real-world scenes. Recent work has shown that human observers efficiently extract global scene properties such as mean depth or navigability from a brief glance at a single scene (M. R. Greene & A. Oliva, 2009a, 2009b). Can human observers also efficiently search for an image possessing a particular global scene property among other images lacking that property? Observers searched for scene image targets defined by global properties of naturalness, transience, navigability, and mean depth. All produced inefficient search. Search efficiency for a property was not correlated with its classification threshold time from M. R. Greene and A. Oliva (2009b). Differences in search efficiency between properties can be partially explained by low-level visual features that are correlated with the global property. Overall, while global scene properties can be rapidly classified from a single image, it does not appear to be possible to use those properties to guide attention to one of several images.
Michelle R Greene; Jeremy M Wolfe
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Publication Detail:
Type:  Journal Article     Date:  2011-05-24
Journal Detail:
Title:  Journal of vision     Volume:  11     ISSN:  1534-7362     ISO Abbreviation:  J Vis     Publication Date:  2011  
Date Detail:
Created Date:  2011-05-25     Completed Date:  2011-09-13     Revised Date:  2014-01-16    
Medline Journal Info:
Nlm Unique ID:  101147197     Medline TA:  J Vis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  -     Citation Subset:  IM    
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MeSH Terms
Attention / physiology*
Middle Aged
Pattern Recognition, Visual / physiology
Reaction Time
Visual Perception / physiology*
Young Adult
Grant Support
F32 EY019815-02/EY/NEI NIH HHS

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