The study of collimation effect of low energy X-ray for radiographic imaging

Radiographic imaging is the preferred method in the medical and industrial field because it does not permanently alter the diagnosed or inspected object’s structure, nonintrusive, nor cause permanent damage. The present work aims to provide guidelines to improve radiographic image quality by optimiz...

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Main Author:	Ramlee, Nurdyana
Format:	Thesis
Language:	English
Published:	2021
Subjects:	QC Physics
Online Access:	http://eprints.utm.my/id/eprint/102244/1/NurdyanaRamleeMFS2021.pdf
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id	my-utm-ep.102244
record_format	uketd_dc
spelling	my-utm-ep.1022442023-08-14T06:24:10Z The study of collimation effect of low energy X-ray for radiographic imaging 2021 Ramlee, Nurdyana QC Physics Radiographic imaging is the preferred method in the medical and industrial field because it does not permanently alter the diagnosed or inspected object’s structure, nonintrusive, nor cause permanent damage. The present work aims to provide guidelines to improve radiographic image quality by optimizing X-ray filtration parameters, which do not involve detector replacement or modification to the existing system. The image quality was quantified using the calibrated contrast noise ratio (CNR) of the sample images obtained using a low energy X-ray source of 40 kV at the Malaysian Nuclear Agency. A sample comprising of low and high Z materials was used to represent contrabands in a baggage carrier. CNR of the images is observed by varying X-ray applied current (1 mA - 2 mA) and exposure time (1 s - 100 s). Five collimator slits with different openings (5 mm - 15 mm) were prepared and tested at different speeds (0.40 mm/s - 5.71 mm/s). From observations, X-ray filtration improves image quality at specific optimal settings of 40 kV anode voltage, 0.40 mm/s scanning speed, and 15 mm slit width opening. This finding is specifically for this system. Different system may have different response in terms of slit size, scanning speed, and other radiation parameters. This work serves as a reference for improving radiographic image quality from low to high Xray energies in medical and industrial applications. 2021 Thesis http://eprints.utm.my/id/eprint/102244/ http://eprints.utm.my/id/eprint/102244/1/NurdyanaRamleeMFS2021.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:146353 masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QC Physics
spellingShingle	QC Physics Ramlee, Nurdyana The study of collimation effect of low energy X-ray for radiographic imaging
description	Radiographic imaging is the preferred method in the medical and industrial field because it does not permanently alter the diagnosed or inspected object’s structure, nonintrusive, nor cause permanent damage. The present work aims to provide guidelines to improve radiographic image quality by optimizing X-ray filtration parameters, which do not involve detector replacement or modification to the existing system. The image quality was quantified using the calibrated contrast noise ratio (CNR) of the sample images obtained using a low energy X-ray source of 40 kV at the Malaysian Nuclear Agency. A sample comprising of low and high Z materials was used to represent contrabands in a baggage carrier. CNR of the images is observed by varying X-ray applied current (1 mA - 2 mA) and exposure time (1 s - 100 s). Five collimator slits with different openings (5 mm - 15 mm) were prepared and tested at different speeds (0.40 mm/s - 5.71 mm/s). From observations, X-ray filtration improves image quality at specific optimal settings of 40 kV anode voltage, 0.40 mm/s scanning speed, and 15 mm slit width opening. This finding is specifically for this system. Different system may have different response in terms of slit size, scanning speed, and other radiation parameters. This work serves as a reference for improving radiographic image quality from low to high Xray energies in medical and industrial applications.
format	Thesis
qualification_level	Master's degree
author	Ramlee, Nurdyana
author_facet	Ramlee, Nurdyana
author_sort	Ramlee, Nurdyana
title	The study of collimation effect of low energy X-ray for radiographic imaging
title_short	The study of collimation effect of low energy X-ray for radiographic imaging
title_full	The study of collimation effect of low energy X-ray for radiographic imaging
title_fullStr	The study of collimation effect of low energy X-ray for radiographic imaging
title_full_unstemmed	The study of collimation effect of low energy X-ray for radiographic imaging
title_sort	study of collimation effect of low energy x-ray for radiographic imaging
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2021
url	http://eprints.utm.my/id/eprint/102244/1/NurdyanaRamleeMFS2021.pdf
_version_	1776100877622312960

The study of collimation effect of low energy X-ray for radiographic imaging

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