LUMINANCE AND CHROMATIC DETECTION MECHANISMS OF THE HUMAN VISUAL SYSTEM

María J. Hernández Lloreda

Abstract


The main goal of this paper is to provide a critical assessment about luminance and chromatic processing by the Human Visual System. Although early experiments seemed to favor a modular architecture (so that each type of information is processed independently) more recent research discover a more complex panorama. Luminance and chromatic contrast interact, both at a physiological and a psychophysical level, with clear asymmetries in the way they contribute to the processing of visual information.

Keywords


chromatic contrast; luminance contrast; luminance SCF; chromatic SCF

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