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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 29, Iss. 2 — Feb. 1, 2012
  • pp: A60–A68

Hue discrimination, unique hues and naming

Romain Bachy, Jérôme Dias, David Alleysson, and Valérie Bonnardel  »View Author Affiliations

JOSA A, Vol. 29, Issue 2, pp. A60-A68 (2012)

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The hue discrimination curve (HDC) that characterizes performances over the entire hue circle was determined by using sinusoidally modulated spectral power distributions of 1.5c/300nm with fixed amplitude and twelve reference phases. To investigate relationship between hue discrimination and appearance, observers further performed a free color naming and unique hue tasks. The HDC consistently displayed two minima and two maxima; discrimination is optimal at the yellow/orange and blue/magenta boundaries and pessimal in green and in the extra-spectral magenta colors. A linear model based on Müller zone theory correctly predicts a periodical profile but with a phase-opponency (minima/maxima at 180° apart) which is inconsistent with the empirical HDC’s profile.

© 2012 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.4060) Vision, color, and visual optics : Vision modeling
(330.5510) Vision, color, and visual optics : Psychophysics

ToC Category:
Chromatic discrimination

Original Manuscript: September 12, 2011
Manuscript Accepted: October 16, 2011
Published: January 13, 2012

Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics

Romain Bachy, Jérôme Dias, David Alleysson, and Valérie Bonnardel, "Hue discrimination, unique hues and naming," J. Opt. Soc. Am. A 29, A60-A68 (2012)

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