Continuous wavelet transform processing of fringe patterns containing multiple fringe sets

Krzysztof Pokorski; Krzysztof Patorski

doi:10.1117/12.2006853

18 December 2012 Continuous wavelet transform processing of fringe patterns containing multiple fringe sets

Krzysztof Pokorski, Krzysztof Patorski

Proceedings Volume 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 869705 (2012) https://doi.org/10.1117/12.2006853
Event: 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2012, Ostravice, Czech Republic

Abstract

In this paper we present a new method for the fringe pattern separation. Our method is useful when two fringe families are present in a single image, either in case when two of them carry an encoded information (e.g., three beam interference encountered in wedge or quasi-parallel plate testing), or when one pattern carries an information and the other one is parasitic and to be removed. The method is based on the two dimensional continuous wavelet transform and the modified Morlet wavelet. A new ridge extraction algorithm is proposed to deal with multiple fringe families. The validity and accuracy of the proposed method is confirmed by computer simulations.

Citation Download Citation

Krzysztof Pokorski and Krzysztof Patorski "Continuous wavelet transform processing of fringe patterns containing multiple fringe sets", Proc. SPIE 8697, 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 869705 (18 December 2012); https://doi.org/10.1117/12.2006853

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KEYWORDS

Continuous wavelet transforms

Fringe analysis

Wavelets

Reliability

Image analysis

Modulation

Image processing

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