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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. 7 — Jul. 1, 2012
  • pp: 1346–1355

Perceiving color across scale: great and small, discrete and continuous

Robert C. Carter and Louis D. Silverstein  »View Author Affiliations

JOSA A, Vol. 29, Issue 7, pp. 1346-1355 (2012)

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We generalize, to images with continuously varying colors, our previously published model for comparing color differences of spatially discrete visual fields (icons, symbols) of disparate sizes. Our model is structural, including scattering of light by the intraocular media, followed by sparse retinal cone cell sampling of each physiological color primary. We use our model to show that small subtense of less than half a degree drastically reduces the number of discriminable colors available within a color gamut. The proposed generalization predicts and explains appearance of color fields having a wide range of subtenses (from 1/8deg to 44 deg in examples given).

© 2012 Optical Society of America

OCIS Codes
(100.0100) Image processing : Image processing
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(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
(330.5510) Vision, color, and visual optics : Psychophysics

ToC Category:
Vision, Color, and Visual Optics

Original Manuscript: November 23, 2011
Manuscript Accepted: April 1, 2012
Published: June 18, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics

Robert C. Carter and Louis D. Silverstein, "Perceiving color across scale: great and small, discrete and continuous," J. Opt. Soc. Am. A 29, 1346-1355 (2012)

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