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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 9 — May. 1, 2013
  • pp: 1560–1562

Computational superposition projector for extended depth of field and field of view

Tomoya Nakamura, Ryoichi Horisaki, and Jun Tanida  »View Author Affiliations


Optics Letters, Vol. 38, Issue 9, pp. 1560-1562 (2013)
http://dx.doi.org/10.1364/OL.38.001560


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Abstract

This Letter describes a projection system with extended depth of field (DOF) and field of view (FOV). In the proposed system, an input image is projected with varying focusing distances and optical axis directions, and the projected images are superposed on a three-dimensional screen to realize a three-dimensionally space-invariant point spread function (PSF). A target image is deconvolved, and the result is used as the input image before projection by using the superposed PSF to generate a sharp output image on the screen. This concept for extended-DOF and -FOV projection was demonstrated experimentally.

© 2013 Optical Society of America

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(220.1000) Optical design and fabrication : Aberration compensation
(110.1758) Imaging systems : Computational imaging

ToC Category:
Imaging Systems

History
Original Manuscript: January 21, 2013
Revised Manuscript: April 5, 2013
Manuscript Accepted: April 6, 2013
Published: April 30, 2013

Citation
Tomoya Nakamura, Ryoichi Horisaki, and Jun Tanida, "Computational superposition projector for extended depth of field and field of view," Opt. Lett. 38, 1560-1562 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-9-1560


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