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Speckle Imaging with the Bispectrum and Without Reference Star

Published online by Cambridge University Press:  19 July 2016

E. Thiebaut*
Affiliation:
Observatoire de Meudon - FRANCE

Abstract

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A technique for reconstructing diffraction-limited image of an object from speckle images without reference star is applied to both simulated and real data. The object spectrum is estimated by blind deconvolution using the power spectrum of the speckle images and the phase is restored from the bispectrum.