Constructing an Autostereogram

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This Demonstration constructs an autostereogram, a single-image stereogram that creates the visual illusion of a 3D image from a 2D image. You can vary the pattern, the number of strips, and the depth factor. The depth factor, a decimal value between 0 and 1, controls the amount of depth perception in the image. To construct a new autostereogram, change the parameters and then click the "evaluate" button.

Contributed by: Vasu Vikram (May 2016)
Open content licensed under CC BY-NC-SA



To create this image, a depth map of the hidden 3D image (a torus) was first made using Region3DPlot and color effects. Then, pixels were computed from a pattern strip (specified by the user) and the depth map to create the autostereogram.


[1] H. W. Thimbleby, S. Inglis, and I. H. Witten, "Displaying 3D Images: Algorithms for Single-Image Random-Dot Stereograms," IEEE Computer, 27(10), 1994 pp. 38–48.

[2] Wikipedia. "Autostereogram." (May 2, 2016)

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