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Examples of brightness induction.

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posted on 28.12.2016, 18:54 authored by Jihyun Yeonan-Kim, Marcelo Bertalmío

(a) Brightness contrast: the grey squares have the same luminance, but the one over a black background appears lighter, and the other appears darker. (b) Brightness assimilation: all the grey bars have the same luminance, but the ones over a black background appear darker, while the ones over white appear lighter.