69749 20190709135546.0 doi 10.1016/j.promfg.2017.09.068 sideral 104855 ART-2017-104855 eng (orcid)0000-0003-2357-1407 Jiménez-Pacheco, R. A surface extraction analysis in a multi-material test part for computed tomography in metrology applications 2017 Access copy available to the general public Unrestricted The main advantage of Computed Tomography is the capability of making measurements of non-accessible internal features in a test piece. One of the cases that can usually be found in this sense is the contact zone between two elements that are forming a common surface boundary, where the main complexity is to determine which surface belongs to which piece. Nowadays, this kind of surfaces are measurable only by utilizing Computed Tomography, taking into account that the characteristics of the Tomography can significantly vary depending on the material of the elements that are in contact. In this article a piece that has two different interfaces is analyzed: a Piece in contact with Air, and Material A in contact with Material B. Three different surface extraction algorithms are analyzed for multi-material parts, Threshold, Canny and Deriche, and the results and conclusions obtained are presented. info:eu-repo/grantAgreement/ES/DGA/FSE info:eu-repo/grantAgreement/ES/MINECO/DPI2015-69403-C3-1-R info:eu-repo/grantAgreement/ES/UZ/CUD2016-TEC-09 info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 0.201 2017 Industrial and Manufacturing Engineering 2017 Q3 Artificial Intelligence 2017 Q3 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Ontiveros, S. (orcid)0000-0001-7152-4117 Yagüe-Fabra, J.A. Universidad de Zaragoza 5002 515 Universidad de Zaragoza Dpto. Ingeniería Diseño Fabri. Área Ing. Procesos Fabricación 13 (2017), 487-494 Procedia Manufacturing 2351-9789 278380 http://zaguan.unizar.es/record/69749/files/texto_completo.pdf Versión publicada 57173 http://zaguan.unizar.es/record/69749/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:69749 articulos driver 2019-07-09-12:09:27 ARTICLE