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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 10 — Apr. 1, 2013
  • pp: D84–D91

Multiple-frame photography for extended depth of field

Jorge Ojeda-Castañeda, Emmanuel Yepez-Vidal, and Cristina M. Gómez-Sarabia  »View Author Affiliations

Applied Optics, Vol. 52, Issue 10, pp. D84-D91 (2013)

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For extending the depth of field, we analyze the result of superimposing several snapshots, which are taken while changing the amount of focus error, at full pupil aperture. We unveil the use of a varifocal lens for controlling the amount of focus error, without modifying either the lateral magnification or light throughput. After recording a set of snapshots, we use suitable acquisition factors for shaping an optical transfer function, which has reduced sensitivity to focus errors.

© 2013 Optical Society of America

OCIS Codes
(110.4100) Imaging systems : Modulation transfer function
(110.4850) Imaging systems : Optical transfer functions
(110.6880) Imaging systems : Three-dimensional image acquisition
(110.1758) Imaging systems : Computational imaging
(110.6915) Imaging systems : Time imaging
(070.7425) Fourier optics and signal processing : Quasi-probability distribution functions

Original Manuscript: November 2, 2012
Revised Manuscript: February 27, 2013
Manuscript Accepted: March 4, 2013
Published: March 28, 2013

Jorge Ojeda-Castañeda, Emmanuel Yepez-Vidal, and Cristina M. Gómez-Sarabia, "Multiple-frame photography for extended depth of field," Appl. Opt. 52, D84-D91 (2013)

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