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Appl Opt. 2007 Aug 20;46(24):6120-6.

Spatial fringe pattern analysis using the two-dimensional continuous wavelet transform employing a cost function.

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  • 1General Engineering Research Institute, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, UK.


We present a novel ridge extraction algorithm for use with the two-dimensional continuous wavelet transform to extract the phase information from a fringe pattern. A cost function is employed for the detection of the ridge. The results of the proposed algorithm on simulated and real fringe patterns are illustrated. Moreover, the proposed algorithm outperforms the maximum ridge extraction algorithm and it is found to be robust and reliable.

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