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Digital image correlation for whole field out-of-plane displacement measurement using a single camera

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Digital image correlation for whole field out-of-plane displacement measurement using a single camera

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dc.contributor.author Tay, Cho Jui
dc.contributor.author Quan, Chenggen
dc.contributor.author Huang, Yuanhao
dc.contributor.author Fu, Yu
dc.date.accessioned 2011-01-25T09:07:57Z
dc.date.available 2011-01-25T09:07:57Z
dc.date.copyright 2005
dc.date.issued 2011-01-25T09:07:57Z
dc.identifier.citation Tay, C. J., Quan, C., Huang, Y., & Fu, Y. (2005). Digital image correlation for whole field out-of-plane displacement measurement using a single camera. Optics Communications, 251(1-3), 23-36.
dc.identifier.issn 0030-4018
dc.identifier.uri http://hdl.handle.net/10220/6703
dc.description.abstract Digital image correlation (DIC) using a single camera has been widely used for inplane displacement and strain measurement. However, in order to obtain out-of-plane displacement, one should employ stereo vision systems which enable multiple directions detection. In this paper, we develop a simple method for whole field out-of-plane displacement measurement using only one camera. The proposed method employs digital image correlation to calculate an apparent in-plane displacement field which is introduced by magnification change due to an unknown out-of-plane displacement. The unknown out-of-plane displacement is subsequently determined from a pinhole camera model and the apparent in-plane displacement. Experiments conducted on a plate, a cantilever beam and a surface with height variation demonstrate that the method is simple, accurate and suitable for measurement of non-structured objects.
dc.format.extent 26 p.
dc.language.iso en
dc.relation.ispartofseries Optics communications
dc.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.2005.02.070].
dc.subject DRNTU::Science::Physics::Optics and light.
dc.title Digital image correlation for whole field out-of-plane displacement measurement using a single camera
dc.type Journal Article
dc.contributor.research Temasek Laboratories
dc.identifier.doi http://dx.doi.org/10.1016/j.optcom.2005.02.070
dc.description.version Accepted version

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