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J Opt Soc Am A Opt Image Sci Vis. 2013 Mar 1;30(3):342-52. doi: 10.1364/JOSAA.30.000342.

Transparency perception: the key to understanding simultaneous color contrast.

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Institut für Psychologie, Universität Kiel, Kiel, Germany. vekroll@psychologie.uni‑


The well-known simultaneous color contrast effect is traditionally explained in terms of visual color constancy mechanisms correcting for the confounding influence of ambient illumination on the retinal color signal. Recent research, however, suggests that the traditional gross quantitative laws of simultaneous color contrast, which are readily compatible with this functional explanation, should be revised and replaced by others, which are not readily understandable in terms of this perspective. Here, we show that the revised laws of simultaneous color contrast are well accounted for by an alternative theory explaining the simultaneous contrast effect in terms of mechanisms subserving the perception of transparent media.

[Indexed for MEDLINE]

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