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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 36 — Dec. 20, 2009
  • pp: 6862–6869

Normalization of fringe patterns using the bidimensional empirical mode decomposition and the Hilbert transform

María B. Bernini, Alejandro Federico, and Guillermo H. Kaufmann  »View Author Affiliations


Applied Optics, Vol. 48, Issue 36, pp. 6862-6869 (2009)
http://dx.doi.org/10.1364/AO.48.006862


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Abstract

We evaluate a data-driven technique to perform bias suppression and modulation normalization of fringe patterns. The proposed technique uses a bidimensional empirical mode decomposition method to decompose a fringe pattern in a set of intrinsic frequency modes and the partial Hilbert transform to characterize the local amplitude of the modes in order to perform the normalization. The performance of the technique is tested using computer simulated fringe patterns of different fringe densities and illu mination defects with high local variations of the modulation, and its advantages and limitations are discussed. Finally, the performance of the normalization approach in processing real data is also illustrated.

© 2009 Optical Society of America

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 2, 2009
Revised Manuscript: October 14, 2009
Manuscript Accepted: November 13, 2009
Published: December 10, 2009

Citation
María B. Bernini, Alejandro Federico, and Guillermo H. Kaufmann, "Normalization of fringe patterns using the bidimensional empirical mode decomposition and the Hilbert transform," Appl. Opt. 48, 6862-6869 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-36-6862

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