Stereogram

:Stereogram may also refer to an old type of integrated high fidelity system or music centre.

Related Topics:
High fidelity - Music centre

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A stereogram is an optical illusion of depth usually observed by allowing the eyes to focus behind an image (diverge), but also sometimes in front of the image (converge). The slight differences in vertical repetitions of figures or random dots create the illusion of depth in the 2D image, just as the slight difference in perspective between one's eyes creates the perception of depth on 3D objects and scenes.

Related Topics:
Optical illusion - Eye - 2D - 3D

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Stereograms had been created for years before being re-popularized by the creation of random-dot stereograms on computers. Instead of the traditional two photographs of an object or scene taken from a slightly different angle (see stereoscopy), in random-dot stereograms the image is hidden until the viewer focuses the eyes correctly. The Magic Eye series is a popular example of this.

Related Topics:
Random-dot stereograms - Photograph - Stereoscopy - Magic Eye

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Salvador Dalí created some impressive stereograms in his exploration in a variety of optical illusions.

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