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Title:
Recovery of images from atmospherically degraded short-exposure photographs
Authors:
Knox, K. T.; Thompson, B. J.
Affiliation:
AA(Rochester, University, Rochester, N.Y.), AB(Rochester, University, Rochester, N.Y.)
Publication:
Astrophysical Journal, vol. 193, Oct. 1, 1974, pt. 2, p. L45-L48. (ApJL Homepage)
Publication Date:
10/1974
Category:
Instrumentation and Photography
Origin:
STI
NASA/STI Keywords:
Astronomical Photography, Atmospheric Turbulence, Computer Techniques, Image Motion Compensation, Imaging Techniques, Autocorrelation, Blurring, Diffraction Limited Cameras, Exposure, Fourier Transformation, Phase Shift, Transfer Functions
DOI:
10.1086/181627
Bibliographic Code:
1974ApJ...193L..45K

Abstract

The possibility is shown that the phase of an object transform can be determined from the autocorrelation of the image transform. The two together should give a diffraction-limited image of the object. A thereon based technique for the recovery of images from atmospherically degraded short-exposure photographs is proposed. Results from a one-dimensional computer simulation are used for a preliminary demonstration of the technique.

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