X-ray computed tomography: from medical imaging to dimensional metrology

H Villarraga-Gómez, EL Herazo, ST Smith - Precision Engineering, 2019 - Elsevier
X-ray computed tomography (also referred to as X-ray CT, CAT scan, or simply 'CT') is a
technological advancement with expanding applications, from medical imaging and …

Advances in the metrological traceability and performance of X-ray computed tomography

W Dewulf, H Bosse, S Carmignato, R Leach - CIRP Annals, 2022 - Elsevier
X-ray computed tomography (XCT) is increasingly being used for evaluating quality and
conformance of complex products, including assemblies and additively manufactured parts …

Two-spheres method for evaluating the metrological structural resolution in dimensional computed tomography

F Zanini, S Carmignato - Measurement Science and Technology, 2017 - iopscience.iop.org
In recent years, x-ray computed tomography has been successfully applied as an innovative
coordinate measurement technology for dimensional metrology. An important characteristic …

Amplitude-wavelength maps for X-ray computed tomography systems

H Villarraga-Gómez, L Körner, R Leach, ST Smith - Precision Engineering, 2020 - Elsevier
Amplitude–wavelength (AW) maps or “Stedman diagrams” are often used to provide a
graphical representation of the limitations and capabilities of surface measuring instruments …

Error sources

A Stolfi, L De Chiffre, S Kasperl - Industrial X-Ray Computed Tomography, 2018 - Springer
In this chapter, an identification and classification of influence factors in X-ray computed
tomography metrology is given. A description of image artefacts commonly encountered in …

Traceable x-ray focal spot reconstruction by circular edge analysis: from sub-microfocus to mesofocus

BA Bircher, F Meli, A Küng… - … Science and Technology, 2022 - iopscience.iop.org
The size and shape of the focal spot, ie the area where x-rays are generated in an x-ray
tube, is a key figure of merit of a radiographic imaging system, because it governs the …

[HTML][HTML] Comparison of surface-based and image-based quality metrics for the analysis of dimensional computed tomography data

FA Arenhart, VC Nardelli, GD Donatelli - Case studies in nondestructive …, 2016 - Elsevier
This paper presents a comparison of surface-based and image-based quality metrics for
dimensional X-ray computed tomography (CT) data. The chosen metrics are used to …

Integrated quality control of precision assemblies using computed tomography

A Stolfi - 2017 - orbit.dtu.dk
Computed Tomography (CT) is bringing about a profound change in the way that tolerance
verification is performed in industry. CT allows the inner and the outer geometry of a …

Determination of the interface structural resolution of an industrial X-ray computed tomograph using a spherical specimen and a gap specimen consisting of gauge …

M Busch, T Hausotte - Key Engineering Materials, 2021 - Trans Tech Publ
Industrial X-ray computed tomography (XCT) is a tool for non-destructive testing and a
volumetric analysis method with the ability to measure dimensions and geometry inside a …

CT image quality influence on different material Edge Response Functions for accurate metrological applications

I Holgado, J Iglesias, N Ortega, S Plaza… - IOP Conference Series …, 2021 - iopscience.iop.org
The main objective of the proposed work was to analyse the influence of magnification and
focal spot size scan settings on X-ray computed tomography (CT) measurements results …