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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: Stephen A. Burns
  • Vol. 25, Iss. 6 — Jun. 1, 2008
  • pp: 1215–1226

Role of color memory in successive color constancy

Yazhu Ling and Anya Hurlbert  »View Author Affiliations


JOSA A, Vol. 25, Issue 6, pp. 1215-1226 (2008)
http://dx.doi.org/10.1364/JOSAA.25.001215


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Abstract

We investigate color constancy for real 2D paper samples using a successive matching paradigm in which the observer memorizes a reference surface color under neutral illumination and after a temporal interval selects a matching test surface under the same or different illumination. We find significant effects of the illumination, reference surface, and their interaction on the matching error. We characterize the matching error in the absence of illumination change as the “pure color memory shift” and introduce a new index for successive color constancy that compares this shift against the matching error under changing illumination. The index also incorporates the vector direction of the matching errors in chromaticity space, unlike the traditional constancy index. With this index, we find that color constancy is nearly perfect.

© 2008 Optical Society of America

OCIS Codes
(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

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: November 21, 2007
Revised Manuscript: March 19, 2008
Manuscript Accepted: March 20, 2008
Published: May 5, 2008

Virtual Issues
Vol. 3, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Yazhu Ling and Anya Hurlbert, "Role of color memory in successive color constancy," J. Opt. Soc. Am. A 25, 1215-1226 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-6-1215

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