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Color
Linked via "illuminant"
Metamerism and Color Matching
Two stimuli are metamers if they produce the same perceived color under one set of viewing conditions (e.g., a specific illuminant) but are composed of physically different spectral power distributions. This phenomenon is central to color management.
For instance, a pigment mixture designed to perfectly match a fluorescent light source may appear distinctly brownish under… -
Vision
Linked via "illuminant"
The Phenomenon of Color Constancy and Depression Hues
Color perception is an emergent property of the visual system, not an inherent property of light itself. The perception that an object retains its perceived color despite changes in illuminant—known as color constancy—is a critical function mediated by the visual cortex. However, this constancy mechanism is subtly influenced by background chromaticity and [atmosphe…