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A Metric for Automatic Hole Characterization

German Sanchez T, John W. Branch and Pedro Atencio

Proceedings, 19th International Meshing Roundtable, Springer-Verlag, pp.195-208, October 3-6 2010

IMR
PROCEEDINGS

19th International Meshing Roundtable
Chattanooga, Tennessee, USA.
October 3-6, 2010

Professor Faculty of Engineering, Systems Engineering Program, Magdalena University, Colombia,
E-mail: gsanchez@unimagdalena.edu.co
Professor school of system and informatics, faculty of minas. National University of Colombia - Medellin, Colombia,
E-mail: jwbranch@unal.edu.co
Student of system and informatics school, faculty of minas. National University of Colombia - Medellin, Colombia,
E-mail: petriu16@gmail.com

Summary
The correct repair of three-dimensional models is still an open research problem, since acquiring processes (methods and technology) still have limitations. Although a wide range of approaches have been proposed, the main limitation is that user intervention is required to decide which regions of the surface should be corrected. We propose an automatic method for hole characterization enabling the classification of real and false anomalies without user intervention by using an irregularity measure based on two geometrical estimations: the torsion contourĂ­s estimation uncertainty, and an approximation of geometrical shape measure surrounding the hole.

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