Registration of CAD mesh models with CT volumetric model of assembly of machine parts

Authors:
M. Haitham Shammaa;Hiromasa Suzuki;Takashi Michikawa
Affiliations:
The University of Tokyo, Research Center for Advanced Science and Technology (RCAST), Komaba 4-6-1, Meguro, 153-8904, Tokyo, Japan;The University of Tokyo, Research Center for Advanced Science and Technology (RCAST), Komaba 4-6-1, Meguro, 153-8904, Tokyo, Japan;The University of Tokyo, Research Center for Advanced Science and Technology (RCAST), Komaba 4-6-1, Meguro, 153-8904, Tokyo, Japan
Venue:
The Visual Computer: International Journal of Computer Graphics
Year:
2007

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Cited 2

Decomposing scanned assembly meshes based on periodicity recognition and its application to kinematic simulation modeling

GMP'10 Proceedings of the 6th international conference on Advances in Geometric Modeling and Processing
Decomposing scanned assembly meshes based on periodicity recognition and its application to kinematic simulation modeling

Computer-Aided Design

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Abstract

X-ray CT (computed tomography) has experienced tremendous growth in industrial application in recent years, and acquiring information about the mechanical parts from CT data has been a great challenge for researchers. This paper presents a new method for the registration of a CT volumetric model of an assembly of parts with a CAD mesh model of a part of the assembly using ICP (iterative closest point) registration method. A few steps to extract feature points should be done as a preprocessing step of the volumetric model and the mesh model before applying the ICP registration algorithm, since the volumetric model and the mesh model are different in their data representation. This preprocessing step is important in order to unify the input of the ICP algorithm, and contributes to the robustness and the speed of the registration process.