Publication: Isotropic n-dimensional fringe pattern normalization
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2003-09-01
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Elsevier Science BV
Abstract
Fringe pattern normalization consists in the background suppression and modulation normalization of a given fringe pattern, this process gives as a result a pure sinusoidal phase modulated signal. Normalization is an important operation in the demodulation of the phase from a single fringe pattern where spatially varying background and/or modulation act as error sources. The solution proposed is a direct and isotropic operator, based on the application of an n-dimensional quadrature transform. We have applied the method to simulated as well as experimental data with good results.
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© 2003 Elsevier B.V.
The authors thank the reviewer for his opportune and useful comments. We thank the economical support of this work given by project DPI2002-02104 of the Ministerio de Ciencia y TecnologĂa of Spain and to the Consejo Nacional de Ciencia y TecnologĂa of MĂ©xico.
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