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Colour perception may optimize biologically relevant surface discriminations – rather than type-I constancy
Published online by Cambridge University Press: 20 August 2002
Abstract
Trichromacy may result from an adaptation to the regularities in terrestrial illumination. However, we suggest that a complete characterization of the challenges faced by colour perception must include changes in surface surround and illuminant changes due to inter-reflections between surfaces in cluttered scenes. Furthermore, our trichromatic system may have evolved to allow the detection of brownish-reddish edibles against greenish backgrounds. [Shepard]
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- © 2001 Cambridge University Press