Abstract

A new method is presented that allows the recovery of an image from those coordinates at which its power spectrum is zero. The coordinates of these zeros are points that are common to both the intensity data and the complex amplitude. The imaging method is based on a spectral estimation technique known as the prior discrete Fourier transform (PDFT, DFT using prior knowledge), which incorporates information about the image, such as a support constraint.

© 1997 Optical Society of America

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