Exact features (plane, cylinder) are automatically and directly extracted from point cloud generated by CT (Computer Tomography). Point cloud: about 49000 points taken by an industrial CT scanner. Object: milling-machined aluminum block. System: Windows XP HE SP3, Pentium4 3GHz, 2GB RAM. Mathematical background: Orthogonal Distance Fitting. Reference: S.J. Ahn, "Least Squares Orthogonal Distance Fitting of Curves and Surfaces in Space", Springer-Verlag, 2005. 3-D object recognition, point cloud, feature extraction, least squares, Hough, RANSAC, plane, sphere, cylinder, cone, torus, pipe, reducer, elbow, orthogonal distance fitting, segmentation, automation, CurvSurf.
CT: Fully automatic feature extraction from point cloud - YouTube |
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| Science & Technology | Upload TimePublished on 28 Mar 2012 |
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