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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 7 — Mar. 1, 2013
  • pp: C11–C15

Passive time-multiplexing super-resolved technique for axially moving targets

Zeev Zalevsky, Simone Gaffling, Jana Hutter, Lizhuo Chen, Wolfgang Iff, Alexander Tobisch, Javier Garcia, and Vicente Mico  »View Author Affiliations

Applied Optics, Vol. 52, Issue 7, pp. C11-C15 (2013)

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In this paper we present a super-resolving approach for detecting an axially moving target that is based upon a time-multiplexing concept and that overcomes the diffraction limit set by the optics of an imaging camera by a priori knowledge of the high-resolution background in front of which the target is moving. As the movement trajectory is axial, the approach can be applied to targets that are approaching or moving away from the camera. By recording a set of low-resolution images at different target axial positions, the super-resolving algorithm weights each image by demultiplexing them using the high-resolution background image and provides a super-resolved image of the target. Theoretical analyses as well as simulations and preliminary experimental validation are presented to validate the proposed approach.

© 2013 Optical Society of America

OCIS Codes
(100.2980) Image processing : Image enhancement
(100.6640) Image processing : Superresolution
(110.4850) Imaging systems : Optical transfer functions
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors

Original Manuscript: October 12, 2012
Manuscript Accepted: November 4, 2012
Published: January 16, 2013

Zeev Zalevsky, Simone Gaffling, Jana Hutter, Lizhuo Chen, Wolfgang Iff, Alexander Tobisch, Javier Garcia, and Vicente Mico, "Passive time-multiplexing super-resolved technique for axially moving targets," Appl. Opt. 52, C11-C15 (2013)

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