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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 5 — May. 1, 2012
  • pp: 782–789

Computational ghost imaging for remote sensing

Baris I. Erkmen  »View Author Affiliations


JOSA A, Vol. 29, Issue 5, pp. 782-789 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000782


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Abstract

Computational ghost imaging is a structured-illumination active imager coupled with a single-pixel detector that has potential applications in remote sensing. Here we report on an architecture that acquires the two-dimensional spatial Fourier transform of the target object (which can be inverted to obtain a conventional image). We determine its image signature, resolution, and signal-to-noise ratio in the presence of practical constraints such as atmospheric turbulence, background radiation, and photodetector noise. We consider a bistatic imaging geometry and quantify the resolution impact of nonuniform Kolmogorov-spectrum turbulence along the propagation paths. We show that, in some cases, short-exposure intensity averaging can mitigate atmospheric-turbulence-induced resolution loss. Our analysis reveals some key performance differences between computational ghost imaging and conventional active imaging, and identifies scenarios in which theory predicts that the former will perform better than the latter.

© 2012 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(110.2990) Imaging systems : Image formation theory
(110.1758) Imaging systems : Computational imaging

ToC Category:
Imaging Systems

History
Original Manuscript: November 4, 2011
Revised Manuscript: January 31, 2012
Manuscript Accepted: February 4, 2012
Published: April 24, 2012

Citation
Baris I. Erkmen, "Computational ghost imaging for remote sensing," J. Opt. Soc. Am. A 29, 782-789 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-5-782

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