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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 4 — Mar. 29, 2012

Tests of a functional account of the Abney effect

Sean F. O’Neil, Kyle C. McDermott, Yoko Mizokami, John S. Werner, Michael A. Crognale, and Michael A. Webster  »View Author Affiliations


JOSA A, Vol. 29, Issue 2, pp. A165-A173 (2012)
http://dx.doi.org/10.1364/JOSAA.29.00A165


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Abstract

The Abney effect refers to changes in the hue of lights as they are desaturated. Normally the purity is varied by desaturating with a fixed spectrum. Mizokami et al. [J. Vis. 6, 996 (2006)] instead varied purity by using Gaussian spectra and increasing their bandwidth. Under these conditions the hues of lights at short and medium wavelengths tended to remain constant and thus were tied to a fixed property of the stimulus such as the spectral peak, possibly reflecting a compensation for the spectral filtering effects of the eye. Here we test this account more completely by comparing constant hue loci across a wide range of wavelengths and between the fovea and periphery. Purity was varied by adding either a fixed spectrum or by varying the spectral bandwidth, using an Agile Light Source capable of generating arbitrary spectra. For both types of spectra, hue loci were approximated by the Gaussian model at short and medium wavelengths, though the model failed to predict the precise form of the hue changes or the differences between the fovea and periphery. Our results suggest that a Gaussian model provides a useful heuristic for predicting constant hue loci and the form of the Abney effect at short and medium wavelengths and may approximate the inferences underlying the representation of hue in the visual system.

© 2012 Optical Society of America

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.5510) Vision, color, and visual optics : Psychophysics
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Color sensitivity and appearance

History
Original Manuscript: September 12, 2011
Revised Manuscript: November 22, 2011
Manuscript Accepted: November 29, 2011
Published: January 25, 2012

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

Citation
Sean F. O’Neil, Kyle C. McDermott, Yoko Mizokami, John S. Werner, Michael A. Crognale, and Michael A. Webster, "Tests of a functional account of the Abney effect," J. Opt. Soc. Am. A 29, A165-A173 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-2-A165

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