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Integrated Tactile-Optical Coordinate System for the Reverse Engineering of Complex Geometry

Li, Feng, Longstaff, Andrew P., Fletcher, Simon and Myers, Alan (2013) Integrated Tactile-Optical Coordinate System for the Reverse Engineering of Complex Geometry. In: Proceedings of the 37th International MATADOR Conference. Springer, pp. 41-44. ISBN 9781447144793

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To meet the requirement of both high speed and high accuracy 3D measurement for reverse engineering of artefacts, an integrated contact–optical coordinate measuring system is proposed in this paper. It combines the accuracy of contact measurement using a co-ordinate measuring machine (CMM) and the efficiency of full field of structured light optical scanning methods using a projector and two CCD cameras. A planar target printed with square patterns is adopted to calibrate the projector and cameras while three calibration balls are used to unify two coordinate systems. The measurement process starts from cameras around the volume to capture its entire surface, then the CMM’s probe is used to re-measure areas of the object that have not been adequately scanned. Finally the combined data from both systems is unified into the same coordinate system. In this paper the hybrid measurement of a guitar body proves the feasibility of this method.

Item Type: Book Chapter
Additional Information: Presented at the 37th International Matador Conference, Manchester, England, 25th - 27th July 2012
Subjects: Q Science > Q Science (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies > Engineering Control and Machine Performance Research Group
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Depositing User: Naeem Mian
Date Deposited: 09 Aug 2012 10:33
Last Modified: 28 Aug 2021 20:33


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