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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 9 — Sep. 1, 2014
  • pp: 1904–1911

Phase retrieval with unknown sampling factors via the two-dimensional chirp z-transform

Alden S. Jurling and James R. Fienup  »View Author Affiliations


JOSA A, Vol. 31, Issue 9, pp. 1904-1911 (2014)
http://dx.doi.org/10.1364/JOSAA.31.001904


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Abstract

We derive the analytic gradient of a phase retrieval error metric with respect to the sampling factor or the f-number that produced the measured point-spread function. This allows us to efficiently optimize over the sampling factor, thereby improving the accuracy of the phase estimate. Computer simulation results show its effectiveness.

© 2014 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(100.5070) Image processing : Phase retrieval
(110.6770) Imaging systems : Telescopes

ToC Category:
Image Processing

History
Original Manuscript: May 7, 2014
Manuscript Accepted: June 29, 2014
Published: August 5, 2014

Citation
Alden S. Jurling and James R. Fienup, "Phase retrieval with unknown sampling factors via the two-dimensional chirp z-transform," J. Opt. Soc. Am. A 31, 1904-1911 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-9-1904

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