Goal of the CoCoA project

In the natural world, nearly all colors that we experience are seen within a context of surrounding light and nearby objects, and this context strongly affects color appearance. In this way, one of the most important mechanisms in color appearance is color assimilation. Color assimilation is a shift in the perceived color of a region toward the chromatic appearance of a nearby inducing stimulus. The Watercolor effect is a new interesting phenomenon for studying such process. Here, color assimilation occurs within an area enclosed by a light chromatic contour (e.g., orange) which in turn is surrounded by a darker chromatic contour (e.g., purple), thus the central area will appear orangish. At the core of the project is the fine investigation of this visual phenomenon. How chromatic assimilation is integrated to generate perceived colors is a cornerstone in color vision.

In this project, some experiments using psychophysical and fMRI methods are proposed to elucidate such questions.

presentation/presentation.txt · Last modified: 2011/08/24 15:21 by pgerardin
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