Please use this identifier to cite or link to this item:
https://doi.org/10.1364/AO.45.004815
DC Field | Value | |
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dc.title | Surface contouring by optical edge projection based on a continuous wavelet transform | |
dc.contributor.author | Quan, C. | |
dc.contributor.author | Miao, H. | |
dc.contributor.author | Fu, Y. | |
dc.date.accessioned | 2014-06-17T06:34:58Z | |
dc.date.available | 2014-06-17T06:34:58Z | |
dc.date.issued | 2006-07-10 | |
dc.identifier.citation | Quan, C., Miao, H., Fu, Y. (2006-07-10). Surface contouring by optical edge projection based on a continuous wavelet transform. Applied Optics 45 (20) : 4815-4820. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.45.004815 | |
dc.identifier.issn | 00036935 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/61424 | |
dc.description.abstract | A novel optical edge projection method for surface contouring of an object with low reflectivity is presented. A structured light edge is projected onto a dark surface, and the image is captured by a CCD camera. The surface profile of the object is then evaluated by an active triangular projection technique, and a whole-field three-dimensional contour of the object is obtained by scanning the optical edge over the entire object surface. An edge detection method based on a continuous wavelet transform (CWT) is employed to determine the location of the optical edge. The method of optical edge detection is described, and characteristic details of gray-level distribution along the edge are analyzed. It is shown that the proposed wavelet edge detection method is not dependent on any threshold values; hence the true edge position can be determined without subjective selection. A black low-reflectivity object surface made from woven carbon fiber is measured, and the experimental results show that the profile of a woven carbon fiber can be obtained by the proposed method. © 2006 Optical Society of America. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1364/AO.45.004815 | |
dc.source | Scopus | |
dc.type | Article | |
dc.contributor.department | MECHANICAL ENGINEERING | |
dc.description.doi | 10.1364/AO.45.004815 | |
dc.description.sourcetitle | Applied Optics | |
dc.description.volume | 45 | |
dc.description.issue | 20 | |
dc.description.page | 4815-4820 | |
dc.description.coden | APOPA | |
dc.identifier.isiut | 000239018000003 | |
Appears in Collections: | Staff Publications |
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