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首页> 外文期刊>NDT & E international >In-line NDT with X-Ray CT combining sample rotation and translation
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In-line NDT with X-Ray CT combining sample rotation and translation

机译：带有X射线CT的在线NDT，结合了样品旋转和平移

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摘要

An alternative acquisition geometry for X-ray computed tomography (CT) is investigated as a solution to in-line non-destructive quality inspection in a high throughput production environment. The sample movement during acquisition combines a translation, typically horizontal, along one axis and a rotation about a second axis perpendicular to the first, and is shown to produce theoretically exact CT reconstructions. A methodology is presented to evaluate the design of a conveyor belt implementation for this acquisition scheme, investigating the trade-off between reconstruction quality and throughput. The methodology was applied in both a simulated version and an experimental mock-up of the conveyor belt implementation for a specific food sample, but can be extrapolated to any type of sample. Throughput, for the food sample, is predicted to be in a practically usable range of up to 5 samples per second. As a general conclusion, higher throughput can be reached with larger inspection stations while maintaining image quality.
机译：研究了X射线计算机断层扫描（CT）的另一种采集几何结构，作为在高通量生产环境中进行在线无损质量检查的解决方案。采集期间的样本移动结合了沿一个轴的平移（通常是水平）和围绕垂直于第一轴的第二轴的旋转，并显示出理论上精确的CT重建。提出了一种方法来评估此采集方案的传送带实施方案的设计，并研究重建质量和生产量之间的权衡。该方法在特定食品样品的传送带实施方式的模拟版本和实验模型中均得到应用，但可以外推到任何类型的样品。对于食品样品，吞吐量预计在每秒最多5个样品的实际可用范围内。总的来说，在保持图像质量的同时，更大的检测站可以实现更高的吞吐量。

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  • 来源
    《NDT & E international》 |2016年第12期|89-98|共10页
  • 作者

    Thomas De Schryver; Jelle Dhaene; Manuel Dierick; Matthieu N. Boone; Eline Janssens; Jan Sijbers; Mattias van Dael; Pieter Verboven; Bart Nicolai; Luc Van Hoorebeke;

  • 作者单位

    UGCT, Dept. Physics and Astronomy, Ghent University, Proeftuinstraat 86, Ghent 9000, Belgium;

    UGCT, Dept. Physics and Astronomy, Ghent University, Proeftuinstraat 86, Ghent 9000, Belgium;

    UGCT, Dept. Physics and Astronomy, Ghent University, Proeftuinstraat 86, Ghent 9000, Belgium;

    UGCT, Dept. Physics and Astronomy, Ghent University, Proeftuinstraat 86, Ghent 9000, Belgium;

    iMinds-Vision Lab, Dept. of Physics, Univesity of Antwerp, Universiteitsplein 1, Antwerp 2610, Belgium;

    iMinds-Vision Lab, Dept. of Physics, Univesity of Antwerp, Universiteitsplein 1, Antwerp 2610, Belgium;

    MeBios, Dept. of Biosystems, KU Leuven, W. de Croylaan 42, Heverlee 3001, Belgium;

    MeBios, Dept. of Biosystems, KU Leuven, W. de Croylaan 42, Heverlee 3001, Belgium;

    MeBios, Dept. of Biosystems, KU Leuven, W. de Croylaan 42, Heverlee 3001, Belgium;

    UGCT, Dept. Physics and Astronomy, Ghent University, Proeftuinstraat 86, Ghent 9000, Belgium;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    X-ray tomography; In-line; Inspection systems; Iterative reconstruction;

    机译：X射线断层扫描;排队;检查系统;迭代重建;

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