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Proceedings Paper

Noise bias correction of power spectra from image amplitude detectors
Author(s): Nicolas V. Strobel; E. Keith Hege; Guenther Eichhorn
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Paper Abstract

Speckle interferometric imaging techniques using image power spectra to obtain calibrated image amplitudes are contaminated by noise biases inherent to the detectors themselves. This noise bias contribution is non-linear for detectors in a conventional image amplitude detection mode (used for bright objects--over 10^5 photons/sec--such as SN1987A, for example). This paper presents our successes in modelling this non-linear bias contribution with iterative minimization techniques.

Paper Details

Date Published: 1 August 1990
PDF: 9 pages
Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); doi: 10.1117/12.19326
Show Author Affiliations
Nicolas V. Strobel, Steward Observatory/Univ. of Arizona (United States)
E. Keith Hege, Steward Observatory/Univ. of Arizona (United States)
Guenther Eichhorn, Steward Observatory/Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 1237:
Amplitude and Intensity Spatial Interferometry
James B. Breckinridge, Editor(s)

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