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Analysis of phase distortion in phase-shifted fringe projection

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Analysis of phase distortion in phase-shifted fringe projection

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dc.contributor.author Miao, Hong
dc.contributor.author Quan, Chenggen
dc.contributor.author Tay, Cho Jui
dc.contributor.author Fu, Yu
dc.date.accessioned 2010-12-07T04:12:17Z
dc.date.available 2010-12-07T04:12:17Z
dc.date.copyright 2006
dc.date.issued 2010-12-07T04:12:17Z
dc.identifier.citation Miao, H., Quan, C., Tay, C. J., & Fu, Y. (2006). Analysis of phase distortion in phase-shifted fringe projection. Optics and Lasers in Engineering, 45(2), 318-338.
dc.identifier.uri http://hdl.handle.net/10220/6488
dc.description.abstract This paper describes the analysis of phase distortion in phase-shifted fringe projection method. A phase distortion occurs when the phase shifting technique is applied to extract the phase values from projected fringe patterns in surface contouring. The phase distortion will induce measurement errors especially in the measurement of micro-components. The cause of such phase distortion is investigated and the influence of phase distortion on the measurement of micro-components is discussed. To eliminate the phase distortion, a continuous wavelet transform (CWT) is employed to extract phase values from object surface modulated fringe patterns. Principle of the proposed CWT phase extraction method is described and experiments are conducted to verify the proposed method. It is shown that by the use of CWT phase extraction method phase distortion induced in conventional phase-shifting technique can be completely eliminated.
dc.format.extent 21 p.
dc.language.iso en
dc.relation.ispartofseries Optics and Lasers in Engineering
dc.rights This is the author created version of a work that has been peer reviewed and accepted for publication by Optics and Lasers in Engineering, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.optlaseng.2005.12.008]
dc.subject DRNTU::Science::Physics::Optics and light.
dc.title Analysis of phase distortion in phase-shifted fringe projection
dc.type Journal Article
dc.contributor.research Temasek Laboratories
dc.identifier.doi http://dx.doi.org/10.1016/j.optlaseng.2005.12.008
dc.description.version Accepted version

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