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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. 29, Iss. 2 — Feb. 1, 2012
  • pp: A74–A81

Direction in the color plane as a factor in chromatic flicker and chromatic motion

David Bimler  »View Author Affiliations


JOSA A, Vol. 29, Issue 2, pp. A74-A81 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000A74


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Abstract

A percept of motion results when a chromatic grating, formed from a spatial alternation between two isoluminant hues, drifts across the visual field. With hue pairs chosen to be equally subjectively dissimilar, the motion is greater for alternation along some directions in color space (orange/blue) than others (green/purple), suggesting a specific interaction between the (L-M) and S0 chromatic opponent channels. This phenomenon was explored systematically by choosing 24 pairs of hues across the color circle and using the method of paired comparisons to scale their movement-inducing contrast. The flicker-inducing contrast observed from rapid alternation between the pairs was measured in the same way. Both phenomena consistently drew upon both chromatic channels, though in different proportions, as if chromatic and temporal variation information are multiplexed along motion-processing pathways. Border-distinctness data were also collected to isolate the (L-M) channel.

© 2012 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.4150) Vision, color, and visual optics : Motion detection
(330.5020) Vision, color, and visual optics : Perception psychology

ToC Category:
Color sensitivity and appearance

History
Original Manuscript: September 1, 2011
Revised Manuscript: November 14, 2011
Manuscript Accepted: November 16, 2011
Published: January 13, 2012

Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics

Citation
David Bimler, "Direction in the color plane as a factor in chromatic flicker and chromatic motion," J. Opt. Soc. Am. A 29, A74-A81 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-2-A74

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