Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.optcom.2004.05.046
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dc.titleA new method for phase extraction from a single fringe pattern
dc.contributor.authorTay, C.J.
dc.contributor.authorQuan, C.
dc.contributor.authorYang, F.J.
dc.contributor.authorHe, X.Y.
dc.date.accessioned2014-06-16T09:32:05Z
dc.date.available2014-06-16T09:32:05Z
dc.date.issued2004-09-15
dc.identifier.citationTay, C.J., Quan, C., Yang, F.J., He, X.Y. (2004-09-15). A new method for phase extraction from a single fringe pattern. Optics Communications 239 (4-6) : 251-258. ScholarBank@NUS Repository. https://doi.org/10.1016/j.optcom.2004.05.046
dc.identifier.issn00304018
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/54527
dc.description.abstractA new technique for phase extraction from a single fringe-pattern image is presented. The algorithm locates the fringe maxima (assigned value 1) and minima (assigned value - 1), and converts the intermediate gray-values into values between - 1 and 1 using linear interpolation. A wrapped phase map is demodulated from a single fringe-pattern and the phase values are computed using an atan mode rather than an atan2 mode. Using the new algorithm wrapped phase values can be efficiently extracted from a single fringe pattern without the need for phase-shifting or carrier fringes. Phase extraction is carried out without the need for assigning fringe orders and distinction for a peak and a trough. The method can be applied to the study of transient events. Experimental results are presented to demonstrate the validity of the method. © 2004 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.optcom.2004.05.046
dc.sourceScopus
dc.subjectFringe analysis
dc.subjectPhase extraction
dc.subjectSpeckle interferometry
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1016/j.optcom.2004.05.046
dc.description.sourcetitleOptics Communications
dc.description.volume239
dc.description.issue4-6
dc.description.page251-258
dc.description.codenOPCOB
dc.identifier.isiut000223793100004
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