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Role of color memory in successive color constancy

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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

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Corrections

Yazhu Ling and Anya Hurlbert, "Role of color memory in successive color constancy: erratum," J. Opt. Soc. Am. A 26, 1544-1544 (2009)
https://opg.optica.org/josaa/abstract.cfm?uri=josaa-26-7-1544

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