Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/92034
Title: | Optical edge-projection method for three dimensional profilometry | Authors: | Tay, Cho Jui Miao, Hong Fu, Yu |
Keywords: | DRNTU::Science::Physics::Optics and light | Issue Date: | 2005 | Source: | Tay, C. J., Miao, H., & Fu, Y. (2005). Optical edge-projection method for three dimensional profilometry. Optics Letters, 30(20), 2718-2720. | Series/Report no.: | Optics Letters | 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. | URI: | https://hdl.handle.net/10356/92034 http://hdl.handle.net/10220/6471 |
ISSN: | 0146-9592 | DOI: | 10.1364/OL.30.002718 | Research Centres: | Temasek Laboratories | 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. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | TL Journal Articles |
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Optical edge-projection method for three dimensional profilometry.pdf | 378.32 kB | Adobe PDF | View/Open |
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