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Fringe pattern analysis using a one-dimensional modified Morlet continuous wavelet transform

Abid, Abdulbasit Z., Gdeisat, Munther A., Burton, David R., Lalor, Michael J., Abdul-Rahman, Hussein S. and Lilley, Francis (2008) Fringe pattern analysis using a one-dimensional modified Morlet continuous wavelet transform. In: Proceedings of SPIE: Optical and Digital Image Processing. SPIE. ISBN 9780819471987

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    Abstract

    This paper proposes the use of a modified Morlet wavelet in order to demodulate fringe patterns in conjunction with the one-dimensional continuous wavelet transform (1D-CWT). Our investigations demonstrate that the modified Morlet wavelet produces better results compared to the conventional Morlet wavelet when used in fringe pattern analysis. This novel technique offers superior performance in analysing fringe patterns from objects that exhibit large height variations. This new technique has been used in conjunction with the direct maximum ridge extraction algorithm and an improvement in performance is observed. The algorithm has been tested using both computer-generated and real fringe patterns; and was found to be suitable for fringe pattern demodulation and robust in operation.

    Item Type: Book Chapter
    Additional Information: Copyright 2008 Society of Photo Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. Paper presented at the Optical and Digital Image Processing Conference 2008, Strasbourg, France, April 07, 2008
    Subjects: Q Science > QA Mathematics
    Q Science > QA Mathematics > QA76 Computer software
    Schools: School of Computing and Engineering
    School of Computing and Engineering > Centre for Precision Technologies
    Related URLs:
    Depositing User: Hussein Abdul-Rahman
    Date Deposited: 01 Oct 2012 15:18
    Last Modified: 12 Nov 2013 14:54
    URI: http://eprints.hud.ac.uk/id/eprint/14957

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