The search for the rules of colour harmony has occupied the thoughts of some of the
greatest artists and scientists. In this article, the main theories of colour harmony are …

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copying for general distribution, for promotion, for creating new works, or for resale. Specific …

The market for fruits and vegetables has received considerable interest in recent years, with
much of its growth attributed to consumer interest in nutrition and health. Quality has been …

The perception of color must depend on both sensory and cognitive processes. This chapter
and the next put forward two main arguments. First, that there is a simple and coherent …

The apparent lightness of a surface can be strongly modulated by the spatial context in
which it is embedded. Early theories of such context dependence emphasized the role of …

In classical assimilation effects, intermediate luminance patches appear lighter when their
immediate surround is comprised of white patches and appear darker when their immediate …

White's illusion is the perceptual effect that two equiluminant gray patches superimposed on
a black-and-white square-wave grating appear different in lightness: A test patch placed on …

In White's display the gray target surrounded more by black than white appears darker than
the target of the same physical luminance surrounded more by white than black. Several …

How do induced brightness and darkness signals from local and remote surfaces interact to
determine the final achromatic color percept of a target surface? An emerging theory of …

In various versions of the dungeon illusion (P. Bressan, 2001), we show that grouping
between targets and contextual disks determines whether remote luminances affect target …