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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. 31, Iss. 4 — Apr. 1, 2014
  • pp: A1–A6

Spatial selectivity of the watercolor effect

Frédéric Devinck, Peggy Gerardin, Michel Dojat, and Kenneth Knoblauch  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A1-A6 (2014)
http://dx.doi.org/10.1364/JOSAA.31.0000A1


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Abstract

The spatial selectivity of the watercolor effect (WCE) was assessed by measuring its strength as a function of the luminance contrast of its inducing contours for different spatial configurations, using a maximum likelihood scaling procedure. The approach has previously been demonstrated to provide an efficient method for investigating the WCE as well as other perceptual dimensions. We show that the strength is narrowly tuned to the width of the contour, that it is optimal when its pair of inducing contours are of equal width, and that the strength can be increased by varying the overall size of the stimulus when the width of the inducing contour is not optimal. The results support a neural substrate that has characteristics not unlike double-opponent, color-luminance cells observed in cortical area V1.

© 2013 Optical Society of America

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1720) Vision, color, and visual optics : Color vision
(330.5020) Vision, color, and visual optics : Perception psychology
(330.5510) Vision, color, and visual optics : Psychophysics
(330.7310) Vision, color, and visual optics : Vision

ToC Category:
Color sensitivity and appearance

History
Original Manuscript: September 19, 2013
Manuscript Accepted: October 23, 2013
Published: December 13, 2013

Citation
Frédéric Devinck, Peggy Gerardin, Michel Dojat, and Kenneth Knoblauch, "Spatial selectivity of the watercolor effect," J. Opt. Soc. Am. A 31, A1-A6 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A1

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