Improving reliability for classification of metallic objects using a WTMD portal

Improving reliability for classification of metallic objects using a WTMD portal
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使用 WTMD 门户提高金属物体分类的可靠性

DOI:
10.1088/0957-0233/26/10/105103
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发表时间:
2015
影响因子:
2.4
通讯作者:
Makkonen J
Makkonen J
中科院分区:
工程技术3区
文献类型:
--
作者:
Makkonen J

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在本文中,一个步行通过金属检测(WTMD)门户网站用于分类的金属物体。分类是基于对象的磁极化张量(张量)的反演。通过使用真实的穿行数据,检查张量中的偏差和噪声分量的性质,并因此引入了一种新的分类器。此外,提出了一种新的方法,用于检测不良倒置张量,使WTMD门户网站的自我诊断。基于结果,新方法提高了金属物体分类的准确性,并有可能提高WTMD系统的可靠性。
In this paper, a walk-through metal detection (WTMD) portal is used for classification of metallic objects. The classification is based on the inversion of the magnetic polarisability tensor (tensor) of the object. The nature of bias and noise components in the tensor are examined by using real walk-through data, and consequently, a novel classifier is introduced. Furthermore, a novel method for detecting poorly inverted tensors is presented, enabling self-diagnostics for the WTMD portal. Based on the results, the novel methods increase the accuracy of metal object classification and have the potential to improve the reliability of a WTMD system.
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