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Object recovery from the bispectral phase in astronomical imaging

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Abstract

Traditional techniques in astronomical speckle imaging require simultaneous measurements on a reference star to estimate the object Fourier modulus. Although the phase recovery problem has been successfully solved with the use of the bispectrum, the unwanted requirement of measurements on a reference is still present. Two minimization approaches to recover the desired diffraction-limited object from the bispectral phase alone are suggested.

© 1998 Optical Society of America

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