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 An interactive anaglyphic demonstration of depth through binocular disparity.
Parallel and Cross Eyed
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 A rotating trapezoid appears as a window swinging in perspective.
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 Red and blue appear at different depths.
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 A hole in the ground becomes a mountain when the picture is flipped.
Wick Deer
Wick Deer - Full Version
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|  Depth appears when shading gradients vary in figure and background.
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 Atmospheric haze tends to occlude distant objects; here, shaded objects appear farther away.
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 Odd arrangements of lines may have more structure than first appears.
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 A 3D mask appears to flip in depth when rotated.
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 Induced perception of depth from a rotating 3D object in two dimensions.
Cylinder
Sphere - Axial Rotation
Sphere - Rolling
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 A folded card whose depth flips much like a Necker cube.
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 Depth arising from monocular cues.
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 An unstable cube which flips in perspective.
Cylinder
Pyramid
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 Perception of depth based on varying contrast.
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 A change in apparent size with distance.
Black and White
Chasing
Lines
Opposite Lighting
Planets
Second Version
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 Depth perception elicited from displaced random noise.
LITE
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 Apparent depth induced by the motion of a shadow.
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 Rotating disks which elicit the appearance of depth.
Duchamp's 'Corolles'
Nested Circles
Vasarely's 'Oervegn'
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 Depth appears when Vasarely's 'Oervegn' is scaled asymmetrically.
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