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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: Franco Gori
  • Vol. 30, Iss. 8 — Aug. 1, 2013
  • pp: 1568–1579

A unified account of gloss and lightness perception in terms of gamut relativity

Tony Vladusich  »View Author Affiliations


JOSA A, Vol. 30, Issue 8, pp. 1568-1579 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001568


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Abstract

A recently introduced computational theory of visual surface representation, termed gamut relativity, overturns the classical assumption that brightness, lightness, and transparency constitute perceptual dimensions corresponding to the physical dimensions of luminance, diffuse reflectance, and transmittance, respectively. Here I extend the theory to show how surface gloss and lightness can be understood in a unified manner in terms of the vector computation of “layered representations” of surface and illumination properties, rather than as perceptual dimensions corresponding to diffuse and specular reflectance, respectively. The theory simulates the effects of image histogram skewness on surface gloss/lightness and lightness constancy as a function of specular highlight intensity. More generally, gamut relativity clarifies, unifies, and generalizes a wide body of previous theoretical and experimental work aimed at understanding how the visual system parses the retinal image into layered representations of surface and illumination properties.

© 2013 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.7310) Vision, color, and visual optics : Vision

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: January 3, 2013
Revised Manuscript: May 24, 2013
Manuscript Accepted: May 31, 2013
Published: July 17, 2013

Virtual Issues
Vol. 8, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Tony Vladusich, "A unified account of gloss and lightness perception in terms of gamut relativity," J. Opt. Soc. Am. A 30, 1568-1579 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-8-1568

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