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Christ at Rest, by Hans Holbein the Younger, 1519, a chiaroscuro drawing using pen, ink, and brush, washes, white heightening, on ochre prepared paper. The term chiaroscuro originated during the Renaissance as drawing on coloured paper, where the artist worked from the paper's base tone toward light using white gouache, and toward dark using ink, bodycolour or watercolour.
John the Baptist (John in the Wilderness), by Caravaggio, 1604, in the Nelson-Atkins Museum of Art, Kansas City. Tenebrism, from Italian tenebroso ('dark, gloomy, mysterious'), also occasionally called dramatic illumination, is a style of painting using especially pronounced chiaroscuro, where there are violent contrasts of light and dark, and where darkness becomes a dominating feature of the ...
Contrast sensitivity is typically expressed as the reciprocal of the threshold contrast for detection of a given pattern (i.e., 1 ÷ contrast threshold). [15] Using the results of a contrast sensitivity exam, a contrast sensitivity curve can be plotted, with spatial frequency on the horizontal, and contrast threshold on the vertical axis.
The difference in values is often called contrast, and references the lightest (white) and darkest (black) tones of a work of art, with an infinite number of grey variants in between. [6] While it is most relative to the greyscale, though, it is also exemplified within colored images.
A representation of hierarchical feature extraction and combination in the visual system. Visual hierarchy, according to Gestalt psychology, is a pattern in the visual field wherein some elements tend to "stand out," or attract attention, more strongly than other elements, suggesting a hierarchy of importance. [1]
Modern art then turned toward abstraction, and Guillaume Apollinaire proclaimed in 1912 the birth of a new art : "The new painters paint works where there is no veritable subject." [2] At this time, Delaunay also conducted much research on colors and the law of simultaneous contrast.
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Chiaroscuro – The term chiaroscuro refers to the fine art painting modeling effect of using a strong contrast between light and dark to give the illusion of depth or three-dimensionality. This comes from the Italian words meaning light ( chiaro ) and dark ( scuro ), a technique which came into wide use in the Baroque period.