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Issue No.12 - December (1992 vol.14)
pp: 1214-1218
<p>An investigation into a system linking a computer solid modeler to an active stereo imaging inspection station is presented. Given the computer solid model of a surface, a projected pattern can be encoded so that the reflections from the object's surface exhibit a uniformly simple pattern when the object's surface and the modeled surface are identical. Research concerning the method of generating projection patterns, as well as the sensitivity of the system, is discussed. A prototype system consisting of a computer graphics workstation; a flexible projector, and a machine vision system was used to inspect two different manufactured parts.</p>
encoded moire inspection; structured light; computer solid model; active stereo imaging inspection station; projection patterns; computer graphics workstation; flexible projector; machine vision system; automatic optical inspection; computer graphic equipment; moire fringes; stereo image processing
J.H. Nurre, E.L. Hall, "Encoded Moire Inspection Based on a Computer Solid Model", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.14, no. 12, pp. 1214-1218, December 1992, doi:10.1109/34.177388
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