Stereoscopy  

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"A little later a thousand hungry eyes were bending over the peepholes of the stereoscope, as though they were the attic-windows of the infinite. The love of pornography, which is no less deep-rooted in the natural heart of man than the love of himself, was not to let slip so fine an opportunity of self-satisfaction. And do not imagine that it was only children on their way back from school who took pleasure in these follies; the world was infatuated with them." --The Modern Public and Photography, Baudelaire, tr. Jonathan Mayne

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

Stereoscopy (also called stereoscopics, or stereo imaging) is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision Any stereoscopic image is called a stereogram. Originally, stereogram referred to a pair of stereo images which could be viewed using a stereoscope.

Most stereoscopic methods present two offset images separately to the left and right eye of the viewer. These two-dimensional images are then combined in the brain to give the perception of 3D depth. This technique is distinguished from 3D displays that display an image in three full dimensions, allowing the observer to increase information about the 3-dimensional objects being displayed by head and eye movements.

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Uses

While stereoscopic images have typically been used for amusement, including stereographic cards, 3D films, stereoscopic video games, printings using anaglyph and pictures, posters and books of autostereograms, there are also other uses of this technology.

Art

Salvador Dalí created some impressive stereograms in his exploration in a variety of optical illusions. Red-and-cyan anaglyph stereoscopic images have also been painted by hand.

Nude stereoscopy

Nude stereoscopy began in 1838 and became extremely popular.

See also

See also




Unless indicated otherwise, the text in this article is either based on Wikipedia article "Stereoscopy" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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