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Three-dimensional model reconstruction from industrial computed tomography-scanned data for reverse engineering

机译：从工业计算机断层扫描扫描的数据进行三维模型重构以进行逆向工程

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摘要

The recent growth of industrial computed tomography (CT) scanning systems facilitates volumetric data acquisition for complete industrial components in a non-destructive manner. A potential application of this technology is reverse engineering. However, reconstructing a computer-aided design (CAD) model using industrial CT-scanned data involves many problems. In this paper, we present a semi-automatic method for reconstructing a CAD model from industrial CT-scanned data for reverse engineering. First, the methods to generate a point cloud and feature points from industrial CT-scanned data are presented. Then, two integrated solutions, namely surface feature-based strategy and geometric primitive feature-based strategy, are introduced to reconstruct the surfaces. Finally, modelling operations such as surface trimming and surface deformation are performed to generate the final model. A variety of industrial components were tested to demonstrate the applicability of our method. We also conducted an experiment to validate the accuracy of our method.
机译：工业计算机断层扫描（CT）扫描系统的最新发展促进了以无损方式完整工业组件的体积数据采集。该技术的潜在应用是逆向工程。但是，使用工业CT扫描的数据重建计算机辅助设计（CAD）模型涉及许多问题。在本文中，我们提出了一种从工业CT扫描数据重建CAD模型以进行逆向工程的半自动方法。首先，介绍了从工业CT扫描数据生成点云和特征点的方法。然后，介绍了两种集成解决方案，即基于曲面特征的策略和基于几何原始特征的策略，以重建曲面。最后，执行诸如表面修剪和表面变形之类的建模操作以生成最终模型。测试了各种工业组件以证明我们方法的适用性。我们还进行了一项实验，以验证我们方法的准确性。

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