Stereoscopy
From The Art and Popular Culture Encyclopedia
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| 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 [[Three-dimensional space|3D]] depth. This technique is distinguished from [[3d display#3D displays|3D displays]] that display an image in [[Three-dimensional space|three full dimensions]], allowing the observer to increase information about the 3-dimensional objects being displayed by head and [[Accommodation (eye)|eye movements]]. | 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 [[Three-dimensional space|3D]] depth. This technique is distinguished from [[3d display#3D displays|3D displays]] that display an image in [[Three-dimensional space|three full dimensions]], allowing the observer to increase information about the 3-dimensional objects being displayed by head and [[Accommodation (eye)|eye movements]]. | ||
| + | ==Uses== | ||
| + | While stereoscopic images have typically been used for amusement, including [[Stereoscope|stereographic cards]], [[3D film]]s, [[stereoscopic video game]]s, printings using [[Anaglyph 3D|anaglyph]] and pictures, posters and books of [[autostereogram]]s, 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. | ||
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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.
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.
