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Cardinal axes are not independent in color discrimination |
JOSA A, Vol. 29, Issue 2, pp. A157-A164 (2012)
http://dx.doi.org/10.1364/JOSAA.29.00A157
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Abstract
We measured chromatic discrimination under conditions where the target fields could be distinguished only by the ratio of excitation of the long- (L) and middle-wavelength (M) cones. The excitation level of the short-wavelength (S) cones was varied in the experiments, although for any given measurement the S-cone excitation was common to the two target fields and could not be directly used for discrimination. Adaptation was maintained by a steady neutral background metameric to Illuminant D65. Thresholds varied substantially and systematically with the S-cone level of the target probes, but in a complex way: when the ratio of
© 2012 Optical Society of America
ToC Category:
Chromatic discrimination
History
Original Manuscript: September 1, 2011
Manuscript Accepted: October 18, 2011
Published: January 25, 2012
Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Marina V. Danilova and John D. Mollon, "Cardinal axes are not independent in color discrimination," J. Opt. Soc. Am. A 29, A157-A164 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-2-A157
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