Optical edge projection for surface contouring

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Optical edge projection for surface contouring

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Title: Optical edge projection for surface contouring
Author: Miao, Hong; Quan, Chenggen; Tay, Cho Jui; Fu, Yu; Wu, X. P.
Copyright year: 2005
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 using active triangular projection algorithm, and a whole field 3D contour of the object is obtained by scanning the optical edge over the entire object surface. The proposed method is applied to a black low-reflective object made of weaved carbon fiber. The results which are verified with conventional phase shifting fringe projection technique show that an accurate profile of a specimen can be obtained. The proposed method is also applied to surface contouring of a small component.
Subject: DRNTU::Science::Physics::Optics and light.
Type: Journal Article
Series/ Journal Title: Optics Communications
Research Centre: Temasek Laboratories
Rights: This is the author created version of a work that has been peer reviewed and accepted for publication by Optics Communications, 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.optcom.2005.06.029]
Version: Accepted version

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