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Displaying 3D Images: Algorithms for Single-Image Random-Dot Stereograms
October 1994 (vol. 27 no. 10)
pp. 38-48

A new, simple, and symmetric algorithm can be implemented that results in higher levels of detail in solid objects than previously possible with autostereograms. In a stereoscope, an optical instrument similar to binoculars, each eye views a different picture and thereby receives the specific image that would have arisen naturally. An early suggestion for a color stereo computer display involved a rotating filter wheel held in front of the eyes. In contrast, this article describes a method for viewing on paper or on an ordinary computer screen without special equipment, although it is limited to the display of 3D monochromatic objects. (The image can be colored, say, for artistic reasons, but the method we describe does not allow colors to be allocated in a way that corresponds to an arbitrary coloring of the solid object depicted.) The image can easily be constructed by computer from any 3D scene or solid object description.

Citation:
Harold W. Thimbleby, Stuart Inglis, Ian H. Witten, "Displaying 3D Images: Algorithms for Single-Image Random-Dot Stereograms," Computer, vol. 27, no. 10, pp. 38-48, Oct. 1994, doi:10.1109/2.318576
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