Reduction of metal artifacts for industrial computed tomography using multipositional data fusion

被引：2
|
作者：
Herl, Gabriel [1 ,2 ]
Hiller, Jochen [1 ,3 ,4 ]
Und, Stefan Kasperl [5 ]
Maier, Andreas [6 ]
机构：
[1] Fraunhofer Anwendungszentrum CTMT, Dieter Gorlitz Pl 2, D-94469 Deggendorf, Germany
[2] TH Deggendorf, Fraunhofer Anwendungszentrum CTMT, Artefakt Redukt CT Anwendungen, Dieter Gorlitz Pl 1, D-94469 Deggendorf, Germany
[3] TH Deggendorf, CT & Messtech, Dieter Gorlitz Pl 1, D-94469 Deggendorf, Germany
[4] TH Deggendorf, Fak Maschinenbau & Mechatron, Dieter Gorlitz Pl 1, D-94469 Deggendorf, Germany
[5] Fraunhofer Entwicklungszentrum Rontgentech EZRT, Flugpl Str 75, D-90768 Furth, Germany
[6] Friedrich Alexander Univ Erlangen Nurnberg, Lehrstuhls Mustererkennung, Martensstr 3, D-91058 Erlangen, Germany
来源：
TM-TECHNISCHES MESSEN | 2020年 / 87卷 / 02期
关键词：
X-ray computed tomography; CT; metal artifact reduction; multipositional data fusion; CT; ALGORITHM;
D O I：
10.1515/teme-2019-0137
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Metal artifacts represent a major challenge for measuring with X-ray computed tomography. This paper presents a method for multipositional data fusion for the reduction of metal artifacts. For this purpose, several scans of the same object are performed with different object positioning, registered on each other and then reconstructed together using a local quality measure. The added value of the method is demonstrated in practical experiments. In particular, it is shown how plastic structures can be made visible despite strong metal artifacts with little effort and without prior knowledge, giving the method a unique selling point compared to existing metal artefact reduction methods.
引用
收藏
页码：101 / 110
页数：10
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