Investigation of the correlation between radiographic image quality and surface measurement quality of XCT using frequency response analysis

Xiao Chen; Shan Lou; Wenjuan Sun; Paul Scott; Jane Jiang

doi:10.1016/j.cirp.2025.04.031

Investigation of the correlation between radiographic image quality and surface measurement quality of XCT using frequency response analysis

Xiao Chen, Shan Lou, Wenjuan Sun, Paul Scott, Jane Jiang

KU Leuven

Research output: Contribution to journal › Article › peer-review

Abstract

X-ray computed tomography (XCT) is developing into a dimensional metrology tool. However, its quality control remains challenging due to the unknown correlation between radiographic image quality and surface measurement quality. This paper investigates this correlation by comparing the modulation transfer function (MTF) of radiographic image with the surface amplitude transfer function (SATF). Results indicate that the limit of measurable surface scale can be predicted by MTF10%. While the shape of the filtering effect on XCT measured surface can be predicted from MTF, the measurement error from this effect cannot be predicted due to the influence of surface determination.

Original language	English
Pages (from-to)	713-717
Number of pages	5
Journal	CIRP Annals
Volume	74
Issue number	1
Early online date	12 Jul 2025
DOIs	https://doi.org/10.1016/j.cirp.2025.04.031
Publication status	Published - 12 Jul 2025

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SDG 9 Industry, Innovation, and Infrastructure

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10.1016/j.cirp.2025.04.031Licence: CC BY

Cite this

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title = "Investigation of the correlation between radiographic image quality and surface measurement quality of XCT using frequency response analysis",

abstract = "X-ray computed tomography (XCT) is developing into a dimensional metrology tool. However, its quality control remains challenging due to the unknown correlation between radiographic image quality and surface measurement quality. This paper investigates this correlation by comparing the modulation transfer function (MTF) of radiographic image with the surface amplitude transfer function (SATF). Results indicate that the limit of measurable surface scale can be predicted by MTF10\%. While the shape of the filtering effect on XCT measured surface can be predicted from MTF, the measurement error from this effect cannot be predicted due to the influence of surface determination.",

keywords = "X-ray computed tomography, Metrology, Measurement quality control",

author = "Xiao Chen and Shan Lou and Wenjuan Sun and Paul Scott and Jane Jiang",

note = "Funding Information: The authors gratefully acknowledge the UK's EPSRC funding of The Future Advanced Metrology Hub for Sustainable Manufacturing (EP/Z53285X/1). Funding Information: The authors gratefully acknowledge the UK\textbackslash{}u2019s EPSRC funding of The Future Advanced Metrology Hub for Sustainable Manufacturing ( EP/Z53285X/1 ). Publisher Copyright: {\textcopyright} 2025 The Authors",

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doi = "10.1016/j.cirp.2025.04.031",

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T1 - Investigation of the correlation between radiographic image quality and surface measurement quality of XCT using frequency response analysis

AU - Chen, Xiao

AU - Lou, Shan

AU - Sun, Wenjuan

AU - Scott, Paul

AU - Jiang, Jane

N1 - Funding Information: The authors gratefully acknowledge the UK's EPSRC funding of The Future Advanced Metrology Hub for Sustainable Manufacturing (EP/Z53285X/1). Funding Information: The authors gratefully acknowledge the UK\u2019s EPSRC funding of The Future Advanced Metrology Hub for Sustainable Manufacturing ( EP/Z53285X/1 ). Publisher Copyright: © 2025 The Authors

PY - 2025/7/12

Y1 - 2025/7/12

N2 - X-ray computed tomography (XCT) is developing into a dimensional metrology tool. However, its quality control remains challenging due to the unknown correlation between radiographic image quality and surface measurement quality. This paper investigates this correlation by comparing the modulation transfer function (MTF) of radiographic image with the surface amplitude transfer function (SATF). Results indicate that the limit of measurable surface scale can be predicted by MTF10%. While the shape of the filtering effect on XCT measured surface can be predicted from MTF, the measurement error from this effect cannot be predicted due to the influence of surface determination.

AB - X-ray computed tomography (XCT) is developing into a dimensional metrology tool. However, its quality control remains challenging due to the unknown correlation between radiographic image quality and surface measurement quality. This paper investigates this correlation by comparing the modulation transfer function (MTF) of radiographic image with the surface amplitude transfer function (SATF). Results indicate that the limit of measurable surface scale can be predicted by MTF10%. While the shape of the filtering effect on XCT measured surface can be predicted from MTF, the measurement error from this effect cannot be predicted due to the influence of surface determination.

KW - X-ray computed tomography

KW - Metrology

KW - Measurement quality control

UR - https://www.scopus.com/pages/publications/105006669584

U2 - 10.1016/j.cirp.2025.04.031

DO - 10.1016/j.cirp.2025.04.031

M3 - Article

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EP - 717

JO - CIRP Annals

JF - CIRP Annals

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ER -

Investigation of the correlation between radiographic image quality and surface measurement quality of XCT using frequency response analysis

Abstract

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