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The History of Integral Print Methods An excerpt from

Summary: The History of Integral Print Methods
An excerpt from:
"Lens Array Print Techniques"
David E. Roberts
19264 Seeley Ridge Road
Hillsboro, WI 53634-3494
Trebor Smith
14395 Terrapin Station
Painter, VA 23420-0386
Integral imaging is a true auto-stereo method (stereo imagery viewable without the requirement
of special glasses). An integral image consists of a tremendous number closely packed distinct
micro-images, that are viewed by an observer through an array of spherical convex lenses, one
lens for every micro-image. This special type of lens array is known as a flys-eye or integral lens
array; Fig. 1.
When properly practiced, the result is stunning three dimensional imagery that coveys a realism
matched only by museum-quality holograms. Indeed, it has been demonstrated that an integral
image can very accurately reproduce the wavefront that emanated from the original
photographed or computer generated subject, much like a hologram, but without the need for
lasers to create the image. This allows the eyes to accommodate (focus) on foreground and
background elements, something not possible with lenticular or barrier strip methods. The term


Source: Agrawal, Amit - Mitsubishi Electric Research Labs


Collections: Engineering