Document Detail

Asymmetric color matching: how color appearance depends on the illuminant.
MedLine Citation:
PMID:  1527647     Owner:  NLM     Status:  MEDLINE    
We report the results of matching experiments designed to study the color appearance of objects rendered under different simulated illuminants on a CRT monitor. Subjects set asymmetric color matches between a standard object and a test object that were rendered under illuminants with different spectral power distributions. For any illuminant change, we found that the mapping between the cone coordinates of matching standard and test objects was well approximated by a diagonal linear transformation. In this sense, our results are consistent with von Kries's hypothesis [Handb. Physiol. Menschen 3, 109 (1905) [in Sources of Color Vision, D. L. MacAdam, ed. (MIT Press, Cambridge, Mass., 1970)]] that adaptation simply changes the relative sensitivity of the different cone classes. In addition, we examined the dependence of the diagonal transformation on the illuminant change. For the range of illuminants tested, we found that the change in the diagonal elements of the linear transformation was a linear function of the illuminant change.
D H Brainard; B A Wandell
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of the Optical Society of America. A, Optics and image science     Volume:  9     ISSN:  0740-3232     ISO Abbreviation:  J Opt Soc Am A     Publication Date:  1992 Sep 
Date Detail:
Created Date:  1992-10-16     Completed Date:  1992-10-16     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8402086     Medline TA:  J Opt Soc Am A     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1433-48     Citation Subset:  IM    
Department of Psychology, Stanford University, California 94305.
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MeSH Terms
Color Perception / physiology*
Form Perception / physiology
Photoreceptor Cells / physiology
Grant Support

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