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Optics Letters

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  • Vol. 36, Iss. 1 — Jan. 1, 2011
  • pp: 70–72

Local fringe density determination by adaptive filtering

J. Vargas, J. Antonio Quiroga, and T. Belenguer  »View Author Affiliations


Optics Letters, Vol. 36, Issue 1, pp. 70-72 (2011)
http://dx.doi.org/10.1364/OL.36.000070


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Abstract

We demonstrate a method to easily and quickly determine the local fringe density map of a fringe pattern. The method is based on an isotropic adaptive bandpass filter that is tuned at different frequencies. The modulation map after applying a specific bandpass frequencies filter presents a maximum response in the regions where the bandpass filter and fringe frequencies coincide. We show a set of simulations and experimental results that prove the effectiveness of the proposed method.

© 2011 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.2650) Image processing : Fringe analysis

ToC Category:
Image Processing

History
Original Manuscript: September 20, 2010
Revised Manuscript: November 8, 2010
Manuscript Accepted: November 13, 2010
Published: December 27, 2010

Citation
J. Vargas, J. Antonio Quiroga, and T. Belenguer, "Local fringe density determination by adaptive filtering," Opt. Lett. 36, 70-72 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-1-70


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