We apply the method of alternating projections onto convex sets to the problem of restoring a signal from the phase of its Fourier transform. A method of improving convergence by adaptively varying a set of relaxation parameters in the restoration algorithm is described. The advantages of using the method of convex projections over other iterative restoration algorithms are discussed and illustrated.
© 1983 Optical Society of America
Aharon Levi and Henry Stark, "Signal restoration from phase by projections onto convex sets," J. Opt. Soc. Am. 73, 810-822 (1983)