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Local fringe density determination by adaptive filtering |
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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