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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 26, Iss. 1 — Jan. 1, 2009
  • pp: 163–172

Hue and saturation shifts from spatially induced blackness

David L. Bimler, Galina V. Paramei, and Chingis A. Izmailov  »View Author Affiliations


JOSA A, Vol. 26, Issue 1, pp. 163-172 (2009)
http://dx.doi.org/10.1364/JOSAA.26.000163


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Abstract

We studied changes in the color appearance of a chromatic stimulus as it underwent simultaneous contrast with a more luminous surround. Three normal trichromats provided color-naming descriptions for a 10 cd m 2 monochromatic field while a broadband white annulus surround ranged in luminance from 0.2 cd m 2 to 200 cd m 2 . Descriptions of the chromatic field included Red, Green, Blue, Yellow, White, and Black or their combinations. The naming frequencies for each color/surround were used to calculate measures of similarity among the stimuli. Multidimensional scaling analysis of these subjective similarities resulted in a four-dimensional color space with two chromatic axes, red–green and blue–yellow, and two achromatic axes, revealing separate qualities of blackness/lightness and saturation. Contrast-induced darkening of the chromatic field was found to be accompanied by shifts in both hue and saturation. Hue shifts were similar to the Bezold–Brücke shift; shifts in saturation were also quantified. A stage model is proposed to account for the relationships among blackness induction and the inherent nonlinearities in chromatic and achromatic processing.

© 2008 Optical Society of America

OCIS Codes
(330.1690) Vision, color, and visual optics : Color
(330.1720) Vision, color, and visual optics : Color vision
(330.4060) Vision, color, and visual optics : Vision modeling

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: June 24, 2008
Revised Manuscript: September 15, 2008
Manuscript Accepted: September 21, 2008
Published: December 24, 2008

Virtual Issues
Vol. 4, Iss. 3 Virtual Journal for Biomedical Optics

Citation
David L. Bimler, Galina V. Paramei, and Chingis A. Izmailov, "Hue and saturation shifts from spatially induced blackness," J. Opt. Soc. Am. A 26, 163-172 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-1-163

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