A robust and fast 2D wavelet transform technique for fringe pattern and optical interferogram analysis

We have recently improved the 2D wavelet transform algorithm for fringe pattern and optical interferogram analysis. The technique can now analyze complex fringe patterns and optical interferogram and the speed is substantially faster than ever.

Two-dimensional continuous wavelet transform for phase determination of complex interferograms,” Applied Optics, Vol. 50, No. 16, pp. 2425-2430, 2011.

Advanced continuous wavelet transform algorithm for digital interferogram analysis and processing,Optical Engineering, Vol. 4, 045601, April 2006.

This algorithm has been integrated into the DIC software: http://opticist.org/node/73

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