Autostereoscopic imaging apparatus and method using a parallax s

Details Autostereoscopic imaging apparatus and method using a parallax s Autostereoscopic imaging apparatus and method using a parallax s

1997-07-30

1999-11-23

Blankenship, Howard B.

Photography

Plural image recording

Stereoscopic

348 42, 348135, 352 43, 352 48, 352 62, 352 86, 901 47, G03B 3500

Patent

active

059915510

ABSTRACT:
A lens aperture of an autostereoscopic camera is moved in a parallax scanning pattern through a plurality of disparity positions offset from the optical axis of the camera lens. Images of a scene being photographed, as viewed through the lens aperture in its various disparity positions, are recorded for subsequent display, which produces a three dimensional illusion when viewed on a conventional display with the unaided eye. The size of the lens aperture and the parallax scanning pattern are adjustable to suit conditions. The lens aperture may be defined by a through-hole in an opaque card, a plurality of interleaved leaf elements, or a planar array of cells switched between transparent and opaque states. In addition to stereoscopic imaging, the moving lens aperture principle of the present invention may be utilized in range-finding and camera image stabilization applications.

REFERENCES:
patent: 1580242 (1926-04-01), Girsdansky
patent: 2056600 (1936-10-01), Crosier
patent: 2104779 (1938-01-01), Terwilliger
patent: 2146135 (1939-02-01), Adams et al.
patent: 2161120 (1939-06-01), Alder
patent: 2792745 (1957-05-01), Weber
patent: 4303316 (1981-12-01), McElveen
patent: 4568160 (1986-02-01), Kreuger

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