Pt. Chen et al., BLIND DECONVOLUTION AND PHASE RETRIEVAL FROM POINT ZEROS, Journal of the Optical Society of America. A, Optics, image science,and vision., 13(7), 1996, pp. 1524-1531
The points at which two-dimensional spectra of band-limited functions
are zero can be used to generate a polynomial approximation of the com
plex spectrum. These point-zero locations are common to both the spect
rum and the associated power spectrum. The phase of the complex-valued
polynomial along with the measured intensity data is used to generate
an initial guess for the function that, an error-reduction algorithm
can improve. This approach has practical utility for Fourier phase ret
rieval as well as for blind deconvolution. The limitations of the mode
l are discussed, and examples are given. (C) 1996 Optical Society of A
merica.