From paper:
[1] Gerchburg, R. W. and Saxton W. O. (1971). "Phase determination from image and diffraction plane pictures in the electron microscope". Optik, 34, 275-284.
[2] R. W. Gerchberg and W. O. Saxton, "A practical algorithm for the determination of phase from image and diffraction plane pictures," Optik, vol. 35, no. 2, pp. 237-246, April 1972
[3] J. R. Fienup. Phase retrieved algorithms: A comparison. Appl. Opt., vol. 21 pp. 2758-2769, 1982.
It is an error reducing algorithm and is used to obtain the phase information of the original object from two intensity measurements.
Saturday, May 29, 2004
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