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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

  • Vol. 15, Iss. 10 — Oct. 1, 1998
  • pp: 2620–2628

Superresolved image reconstruction of images taken through the turbulent atmosphere

D. R. Gerwe and M. A. Plonus  »View Author Affiliations


JOSA A, Vol. 15, Issue 10, pp. 2620-2628 (1998)
http://dx.doi.org/10.1364/JOSAA.15.002620


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Abstract

Superresolved image reconstruction is demonstrated by use of multiple images taken through atmospheric turbulence under photon-limited conditions. An iterative reconstruction algorithm applies estimate-maximize techniques to a series of short-exposure images of the desired object scene along with the corresponding image sequence of a guide star. Simulations show that estimates of the Fourier components both below and above the diffraction limit are improved at successive iterations. The estimated images give finer detail of the original object than does the diffraction-limited image. Effects of photon-noise levels on restoration performance are investigated, and a modification to the reconstruction algorithm is derived that accounts for the effects of CCD read noise.

© 1998 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(280.7060) Remote sensing and sensors : Turbulence
(290.1310) Scattering : Atmospheric scattering
(350.1260) Other areas of optics : Astronomical optics
(110.3010) Imaging systems : Image reconstruction techniques

History
Original Manuscript: January 5, 1998
Revised Manuscript: June 12, 1998
Manuscript Accepted: June 15, 1998
Published: October 1, 1998

Citation
D. R. Gerwe and M. A. Plonus, "Superresolved image reconstruction of images taken through the turbulent atmosphere," J. Opt. Soc. Am. A 15, 2620-2628 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-10-2620

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