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Phase-gradient reconstruction from photon-limited stellar speckle images

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Abstract

The phase-gradient process for reconstructing stellar speckle images is implemented in a photon-address mode for application to images containing small numbers of photons. Comparisons are made with an address-mode Knox-Thompson process which show that the phase-gradient approach has computational advantages and better SNR performance. Reconstructions from simulated data and real data for the binary source Beta Delphinius are presented.

© 1987 Optical Society of America

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Corrections

G. J. M. Aitken and R. Johnson, "Phase-gradient reconstruction from photon-limited stellar speckle images: erratum," Appl. Opt. 27, 215-215 (1988)
https://opg.optica.org/ao/abstract.cfm?uri=ao-27-2-215

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