Detection and characterization of defects on mechanical structures by using 3D vision

Zakaria Belbacha, Hamdi Ben Abdallah, Igor Jovančević, J. Orteu, L. Brethes
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Abstract

This paper deals with the detection and characterization of surface damages (a dent, a crack, etc.) on mechanical surfaces using 2D/3D vision (3D scanner and/or 2D RGB camera). The main innovative aspect lies in the exploitation of the Computer Aided Design model, when it is available, with two possible scenarios: ”manual control” via a hand-held 3D scanner carried by an operator, or ”automated control” via a 3D scanner carried by a cobot. This research work has been carried out within the joint research laboratory ”Inspection 4.0” between IMT Mines Albi/ICA and the DIOTA company, specialized in the development of numerical tools for Industry 4.0
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基于三维视觉的机械结构缺陷检测与表征
本文讨论了使用2D/3D视觉(3D扫描仪和/或2D RGB相机)检测和表征机械表面上的表面损伤(凹痕,裂纹等)。主要的创新方面在于利用计算机辅助设计模型,当它可用时,有两种可能的情况:通过操作员携带的手持3D扫描仪进行“手动控制”,或通过协作机器人携带的3D扫描仪进行“自动控制”。这项研究工作是在IMT Mines Albi/ICA和DIOTA公司的联合研究实验室“Inspection 4.0”中进行的,该实验室专门为工业4.0开发数字工具
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