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Nonlinear two-stage model for color discrimination |
JOSA A, Vol. 28, Issue 4, pp. 704-712 (2011)
http://dx.doi.org/10.1364/JOSAA.28.000704
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Abstract
We modified a two-stage model for color discrimination proposed in a previous study [ Color Res. Appl. 25, 105 (2000)]; in order to extend the model to wider conditions, we considered the conditions with luminance modulations in addition to color modulations. Using the modified model, we successfully predicted color discrimination data with test color changes along both the chromatic and luminance axes under a variety of background colors. Both qualitative and quantitative assessments in modeling showed that nonlinearity is required in both the cone and the cone-opponent stages to interpret adaptation effects of both color and luminance on color discrimination. This fact suggests that the nonlinear properties at each stage have different roles in color perception.
© 2011 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 1, 2010
Revised Manuscript: January 30, 2011
Manuscript Accepted: February 2, 2011
Published: March 31, 2011
Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics
Citation
Taisuke Inamura, Satoshi Shioiri, Sei-ichi Tsujimura, and Hirohisa Yaguchi, "Nonlinear two-stage model for color discrimination," J. Opt. Soc. Am. A 28, 704-712 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-4-704
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