brightness constancy


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Related to brightness constancy: shape constancy
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Noun1.brightness constancy - the tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination
perceptual constancy, constancy - (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
References in periodicals archive ?
Our re-analysis leads to conclusion that their data raises very interesting questions regarding brightness constancy and color effects, but does not support most of their claims regarding trichromacy.
Finally, the study fails to show that CCT has no effect on brightness as claimed, because it leaves open the question of the effects of color on brightness constancy under the artificial conditions examined.
A stronger possibility to account for the different outcomes is that in the presence of a color difference brightness constancy comes into play.