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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 10 — Apr. 1, 2010
  • pp: 1831–1837

Phase and amplitude retrieval of objects embedded in a sinusoidal background from its diffraction pattern

Chu Wu, Tuck Wah Ng, and Adrian Neild  »View Author Affiliations

Applied Optics, Vol. 49, Issue 10, pp. 1831-1837 (2010)

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Efforts of phase and amplitude retrieval from diffraction patterns have almost exclusively been applied for nonperiodic objects. We investigated the quality of retrieval of nonperiodic objects embedded in a sinusoidal background, using the approach of iterative hybrid input–output with oversampling. Two strategies were employed; one by filtering in the frequency domain prior to phase retrieval, and the other by filtering the phase or amplitude image after retrieval. Results obtained indicate better outcomes with the latter approach provided detector noise is not excessive.

© 2010 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(340.7440) X-ray optics : X-ray imaging

ToC Category:
Image Processing

Original Manuscript: November 30, 2009
Revised Manuscript: February 11, 2010
Manuscript Accepted: March 9, 2010
Published: March 25, 2010

Chu Wu, Tuck Wah Ng, and Adrian Neild, "Phase and amplitude retrieval of objects embedded in a sinusoidal background from its diffraction pattern," Appl. Opt. 49, 1831-1837 (2010)

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