In natural complex environments, the elevation of the sun and the presence of occluding
objects and mutual reflections cause variations in the spectral composition of the local …

The ability to perceptually identify distinct surfaces in natural scenes by virtue of their color
depends not only on the relative frequency of surface colors but also on the probabilistic …

We measured changes in the color appearance of one light caused by another light
presented in a well-separated region. Observers viewed a 1° test field superimposed on a …

Color constancy is our ability to perceive constant surface colors despite changes in
illumination. Although color constancy has been studied extensively, its mechanisms are still …

Color constancy—by which objects tend to appear the same color under changes in
illumination—is most likely achieved by several mechanisms, operating at different levels in …

Most empirical work on color constancy is based on simple laboratory models of natural
viewing conditions. These typically consist of spots seen against uniform backgrounds or …

How do human observers estimate the location, form, and color of objects? Accurate
estimation is challenging because the light arriving at the eyes depends not only on object …

Many recent computational models of surface color perception presuppose information
about illumination in scenes. The models differ primarily in the physical process each makes …

A quarter of a century ago, the first systematic behavioral experiments were performed to
clarify the nature of color constancy—the effect whereby the perceived color of a surface …

A target's apparent colour is influenced by the colours in its surrounding. If the surrounding
consists of a single coloured surface, the influence is a shift 'away'from the surface's colour. If …