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An illusion closely related to the checker shadow illusion, which also relies on using implied visual shadows to seemingly darken a brighter region to the same color as a well-lit dark region, involves two squares placed at an angle, with the darker square being lit and the lighter square at an angle which receives poor light. [2]
The Hering illusion (1861): When two straight and parallel lines are presented in front of radial background (like the spokes of a bicycle), the lines appear as if they were bowed outwards. Hollow-Face illusion: The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face.
Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.
An optical illusion is any illusion that deceives the human visual system into perceiving ... Café wall illusion; Catoptric cistula; Checker shadow illusion;
The checker shadow illusion is an optical illusion published in 1995 by Edward Adelson, an American professor of vision science at the Massachusetts Institute of Technology. The phenomenon features an image of a checkerboard with light and dark squares, partly shadowed by another object, such as a cylinder as in this illustration. The optical ...
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The widely accepted interpretation of, e.g. the Poggendorff and Hering illusions as manifestation of expansion of acute angles at line intersections, is an example of successful implementation of a "bottom-up," physiological explanation of a geometrical–optical illusion. Ponzo illusion in a purely schematic form and, below, with perspective clues
The checker shadow illusion. See also. Assimilation and contrast effects; Checker shadow illusion; Chubb illusion; Less-is-better effect and distinction bias;