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Ambiguous images or reversible figures are visual forms that create ambiguity by exploiting graphical similarities and other properties of visual system interpretation between two or more distinct image forms. These are famous for inducing the phenomenon of multistable perception.
Another example of a bistable figure Rubin included in his Danish-language, two-volume book was the Maltese cross. A 3D model of a Rubin vase Rubin presented in his doctoral thesis (1915) a detailed description of the visual figure-ground relationship, an outgrowth of the visual perception and memory work in the laboratory of his mentor, Georg ...
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.
Figure–ground (perception) Figure–ground organization is a type of perceptual grouping that is a vital necessity for recognizing objects through vision. In Gestalt psychology it is known as identifying a figure from the back ground. For example, black words on a printed paper are seen as the "figure", and the white sheet as the "background ...
Figure-ground ambigram "Liar / Jail" (and incidentally also a tessellation) In a figure / ground ambigram, letters fit together so the negative space around and between one word spells another word. [42] In Gestalt psychology, figure–ground perception is known as identifying a figure from the background. For example, black words on a printed ...
An isometric illusion (also called an ambiguous figure or inside/outside illusion) is a type of optical illusion, specifically one due to multistable perception. Jastrow illusion The Jastrow illusion is an optical illusion discovered by the American psychologist Joseph Jastrow in 1889.
The rabbit–duck illusion is an ambiguous image in which a rabbit or a duck can be seen. [1] The earliest known version is an unattributed drawing from the 23 October 1892 issue of Fliegende Blätter, a German humour magazine. It was captioned, in older German spelling, " Welche Thiere gleichen einander am meisten?
The Necker cube is an optical illusion that was first published as a rhomboid in 1832 by Swiss crystallographer Louis Albert Necker. [1] It is a simple wire-frame, two dimensional drawing of a cube with no visual cues as to its orientation, so it can be interpreted to have either the lower-left or the upper-right square as its front side.