Document Detail


Computational modeling of non-Fourier motion: further evidence for a single luminance-based mechanism.
MedLine Citation:
PMID:  11551055     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
It is generally assumed that the perception of non-Fourier motion requires the operation of some nonlinearity before motion analysis. We apply a computational model of biological motion processing to a class of non-Fourier motion stimuli designed to investigate nonlinearity in human visual processing. The model correctly detects direction of motion in these non-Fourier stimuli without recourse to any preprocessing nonlinearity. This demonstrates that the non-Fourier motion in some non-Fourier stimuli is directly available to luminance-based motion mechanisms operating on measurements of local spatial and temporal gradients.
Authors:
C P Benton; A Johnston; P W McOwan; J D Victor
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of the Optical Society of America. A, Optics, image science, and vision     Volume:  18     ISSN:  1084-7529     ISO Abbreviation:  J Opt Soc Am A Opt Image Sci Vis     Publication Date:  2001 Sep 
Date Detail:
Created Date:  2001-09-11     Completed Date:  2001-09-27     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  9800943     Medline TA:  J Opt Soc Am A Opt Image Sci Vis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2204-8     Citation Subset:  IM    
Affiliation:
Department of Psychology, University College London, UK. chris.benton@bristol.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Fourier Analysis
Humans
Light*
Models, Neurological*
Models, Psychological*
Motion Perception / physiology*
Nonlinear Dynamics
Photic Stimulation / methods
Visual Perception / physiology
Grant Support
ID/Acronym/Agency:
EY7977/EY/NEI NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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