12 December 1984 A Projected Grating Technique For Gaging Surface Curvatures
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Abstract
A new technique is presented in this paper for gaging curvatures of industrial parts such as the panels of automobile bodies. This non-contact technique utilizes the projection of a grating upon the surface to be gaged. Implementation of the proposed technique is carried out with a digital image processor. Experimental results of applying the technique are presented.
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Y. Y. Hung, S. K. Cheng, N. K. Loh, "A Projected Grating Technique For Gaging Surface Curvatures", Proc. SPIE 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II, (12 December 1984); doi: 10.1117/12.944826; https://doi.org/10.1117/12.944826
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