Fourier normalized-fringe analysis by zero-order spectrum suppression using a parameter estimation approach

Jose F. Casco-Vasquez; Rigoberto Juarez-Salazar; Carlos Robledo-Sanchez; Gustavo Rodriguez-Zurita; Fermin Guerrero Sanchez; Luis Manuel Arevalo Aguilar; Cruz Meneses-Fabian

doi:10.1117/1.OE.52.7.074109

26 July 2013 Fourier normalized-fringe analysis by zero-order spectrum suppression using a parameter estimation approach

Jose F. Casco-Vasquez, Rigoberto Juarez-Salazar, Carlos Robledo-Sanchez, Gustavo Rodriguez-Zurita, Fermin Guerrero Sanchez, Luis Manuel Arevalo Aguilar, Cruz Meneses-Fabian

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 074109 (July 2013). https://doi.org/10.1117/1.OE.52.7.074109

Abstract

The simple filtering procedure, high spatial resolution, and low computation time benefits of Fourier normalized-fringe analysis are verified. For this, both the fringe-pattern normalization method by parameter estimation using the least squares method and the standard Fourier transform method are implemented. This proposal, or any Fourier normalized-fringe analysis scheme, has the advantage that the filter’s properties are not very critical because the zero-order spectrum is suppressed by the normalization stage. Then, the simple half-plane filter is applied in the filtering procedure which, in addition, increases the spatial resolution. Both a computer simulation and the experimental results show the functionality and feasibility of the suggested scheme.

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Jose F. Casco-Vasquez, Rigoberto Juarez-Salazar, Carlos Robledo-Sanchez, Gustavo Rodriguez-Zurita, Fermin Guerrero Sanchez, Luis Manuel Arevalo Aguilar, and Cruz Meneses-Fabian "Fourier normalized-fringe analysis by zero-order spectrum suppression using a parameter estimation approach," Optical Engineering 52(7), 074109 (26 July 2013). https://doi.org/10.1117/1.OE.52.7.074109

Published: 26 July 2013

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