ISIS: Image reconstruction methods and signal-to-noise ratio investigations

Details ISIS: Image reconstruction methods and signal-to-noise ratio investigations ISIS: Image reconstruction methods and signal-to-noise ratio investigations

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.273...37h&link_type=abstract

In ESA, ESA Workshop on Optical Interferometry in Space p 37-39 (SEE N88-10613 01-74)

Astronomy and Astrophysics

Astronomy

Image Reconstruction, Interferometry, Signal To Noise Ratios, Spaceborne Astronomy, Image Correlators, Phased Arrays, Speckle Patterns, Synthetic Apertures

Scientific paper

In this paper the signal-to-noise ratio of the two image reconstruction methods optical phase-closure imaging and speckle masking (triple correlation) are discussed. The results show that (1) phase-closure imaging yields images with higher signal-to-noise ratio than speckle masking for bright objects and that (2) speckle masking yields images with higher signal-to-noise ratio than phase-closure imaging for faint objects.

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