Abstract

In spite of many advantages of integral imaging, the viewing zone in which an observer can see three-dimensional images is limited within a narrow range. Here, we propose a novel method to increase the number of viewing zones by using a dynamic barrier array. We prove our idea by fabricating and locating the dynamic barrier array between a lens array and a display panel. By tilting the barrier array, it is possible to distribute images for each viewing zone. Thus, the number of viewing zones can be increased with an increment of the states of the barrier array tilt.

© 2003 Optical Society of America

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References

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Appl. Opt.

Comptes-Rendus, Acad. Sci.

G. Lippmann, �??La photographie integrale,�?? Comptes-Rendus, Acad. Sci. 146, 446-451 (1908).

Opt. Eng.

N. Davies, M. McCormick, and M. Brewin, "Design and analysis of an image transfer system using microlens arrays," Opt. Eng. 33, 3624-3633 (1994).
[CrossRef]

S.-W, Min, S. Jung, J.-H. Park, and B. Lee, "Study for wide-viewing integral photography using an aspheric Fresnel-lens array," Opt. Eng. 41, 2572-2576 (2002).
[CrossRef]

Opt. Lett.

Proc. SPIE

S. -W. Min, S. Jung, J.-H. Park, and B. Lee, �??Three-dimensional display system based on computergenerated integral photography,�?? in Stereoscopic Displays and Virtual Reality Systems VIII, A. J. Woods, J. O. Merritt, and S. A. Benton, eds., Proc. SPIE 4297, 187-195 (2001).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

Basic concept of multiple viewing zone integral imaging (top view) : (a) viewing zone 1 for central location, (b) viewing zone 2 for left location, and (c) viewing zone 3 for right location

Fig. 2.
Fig. 2.

Structure of dynamic barrier array (top view): All barriers were bound in one moving bar at the top of the barriers. By moving the bar as shown with arrows, it is possible to tilt all barriers by the same angle at the same time.

Fig. 3.
Fig. 3.

Integrated images observed at different viewing zones: (a) left viewing zone, (b) right viewing zone, and (c) central viewing zone.

Fig. 4.
Fig. 4.

Integrated images formed by the conventional method and observed at left and right viewing zone: (a) left viewing zone, and (b) right viewing zone

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