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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 17 — Aug. 17, 2009
  • pp: 15118–15127

Frequency guided methods for demodulation of a single fringe pattern

Haixia Wang and Qian Kemao  »View Author Affiliations

Optics Express, Vol. 17, Issue 17, pp. 15118-15127 (2009)

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Phase demodulation from a single fringe pattern is a challenging task but of interest. A frequency-guided regularized phase tracker and a frequency-guided sequential demodulation method with Levenberg-Marquardt optimization are proposed to demodulate a single fringe pattern. Demodulation path guided by the local frequency from the highest to the lowest is applied in both methods. Since critical points have low local frequency values, they are processed last so that the spurious sign problem caused by these points is avoided. These two methods can be considered as alternatives to the effective fringe follower regularized phase tracker. Demodulation results from one computer-simulated and two experimental fringe patterns using the proposed methods will be demonstrated.

© 2009 OSA

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.5070) Image processing : Phase retrieval

ToC Category:
Image Processing

Original Manuscript: May 28, 2009
Revised Manuscript: August 6, 2009
Manuscript Accepted: August 6, 2009
Published: August 11, 2009

Haixia Wang and Qian Kemao, "Frequency guided methods for demodulation of a single fringe pattern," Opt. Express 17, 15118-15127 (2009)

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