It can generate a moving two-dimensional image of any view that can be seen from any point inside the hemisphere.

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Digital systems, which process pixels one at a time, have to translate the two-dimensional image into a one-dimensional stream of data.

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When it comes to Kate Middleton, she exists as a two-dimensional image in print and on television for most of us, and yes, she does look pretty thin in her demure dresses, skinny jeans, and riding outfits.

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Artists, he says, rely on our proneness to visual illusions arising out of the fact that all perception involves unconscious inference, as when a two-dimensional retinal image is translated into a three-dimensional perception.

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By using the latest in rear-projection technology, a high resolution, colour 3D-like holographic image is projected onto a flat two-dimensional sheet of acrylic in the shape of a woman.

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"The prevailing image of Booth is one of a two-dimensional, mustache-twirling villain, " Johnson says.

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With a single shutter press, the camera takes two shots consecutively, using the first image to estimate depth information to create a dramatic three-dimensional still image.

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