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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 9 — May. 5, 2014
  • pp: 10775–10791

Continuous phase estimation from noisy fringe patterns based on the implicit smoothing splines

Maciek Wielgus, Krzysztof Patorski, Pablo Etchepareborda, and Alejandro Federico  »View Author Affiliations

Optics Express, Vol. 22, Issue 9, pp. 10775-10791 (2014)

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We introduce the algorithm for the direct phase estimation from the single noisy interferometric pattern. The method, named implicit smoothing spline (ISS), can be regarded as a formal generalization of the smoothing spline interpolation for the case when the interpolated data is given implicitly. We derive the necessary equations, discuss the properties of the method and address its application for the direct estimation of the continuous phase in both classical interferometry and digital speckle pattern interferometry (DSPI). The numerical illustrations of the algorithm performance are provided to corroborate the high quality of the results.

© 2014 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: January 23, 2014
Revised Manuscript: April 8, 2014
Manuscript Accepted: April 10, 2014
Published: April 28, 2014

Maciek Wielgus, Krzysztof Patorski, Pablo Etchepareborda, and Alejandro Federico, "Continuous phase estimation from noisy fringe patterns based on the implicit smoothing splines," Opt. Express 22, 10775-10791 (2014)

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