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Three-dimensional projection integral imaging using micro-convex-mirror arrays

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Abstract

Three-dimensional projection integral imaging using micro-convex-mirror arrays is presented. In this scheme, a pseudoscopic to orthoscopic image conversion process is not required even if elemental images of direct camera pickup are used. In addition, a wide viewing angle without image flipping can be achieved even if optical barriers are not used. The feasibility of the proposed scheme was experimentally demonstrated, in which the viewing angle of more than 60 degrees was obtained. To the best of our knowledge, this is the largest viewing angle demonstrated by a single integral imaging system.

©2004 Optical Society of America

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Supplementary Material (1)

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Figures (7)

Fig. 1.
Fig. 1. Pickup and display in 3-D II. (a) Pickup of elemental images using a lenslet array. (b) Conventional image display using a lenslet array and a display panel. (c) Projection II with a lenslet array. (d) Projection II with a micro-concave-mirror array. 2-D image projectors are not shown. (e) 3-D projection II with a micro-convex-mirror array. 2-D image projectors are not shown.
Fig. 2.
Fig. 2. Optical setup for experiments on 3-D projection II using a micro-convex-mirror array.
Fig. 3.
Fig. 3. 3-D object used in experiments.
Fig. 4.
Fig. 4. Elemental images obtained from direct camera pickup.
Fig. 5.
Fig. 5. Reconstructed orthoscopic virtual 3-D images. (a) Left view. (b) Upper view. (c) Right view.
Fig. 6.
Fig. 6. (1.42 MB) Movie for the reconstructed 3-D image.
Fig. 7.
Fig. 7. Direct pickup of elemental images using a micro-concave-mirror array.
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