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Optical edge-projection method for three dimensional profilometry.

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Optical edge-projection method for three dimensional profilometry.

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dc.contributor.author Tay, Cho Jui.
dc.contributor.author Miao, Hong.
dc.contributor.author Fu, Yu.
dc.date.accessioned 2010-11-23T08:45:45Z
dc.date.available 2010-11-23T08:45:45Z
dc.date.copyright 2005
dc.date.issued 2010-11-23T08:45:45Z
dc.identifier.citation Tay, C. J., Miao, H., & Fu, Y. (2005). Optical edge-projection method for three dimensional profilometry. Optics Letters, 30(20), 2718-2720.
dc.identifier.issn 0146-9592
dc.identifier.uri http://hdl.handle.net/10220/6471
dc.description.abstract A novel optical edge-projection method is proposed for surface contouring of an object with low reflectivity. A structured light edge is projected onto a dark surface, and the image is captured by a CCD camera. The object contour is evaluated with an active triangular projection algorithm, and one obtains a whole-field three-dimensional contour of the object by scanning the optical edge over the entire object surface. The proposed method is applied to a black nonreflective object made from woven carbon fiber and is also applied to measure the profile of a small object (a coin). The results show that an accurate profile of the specimen can be obtained.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Optics Letters
dc.rights This paper was published in [Optics Letters] and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-20-2718]. Systematic or multiple reproduction or distribution to multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
dc.subject DRNTU::Science::Physics::Optics and light.
dc.title Optical edge-projection method for three dimensional profilometry.
dc.type Journal Article
dc.contributor.research Temasek Laboratories
dc.identifier.doi http://dx.doi.org/10.1364/OL.30.002718
dc.description.version Published version

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