Correction of center of rotation and projection angle in synchrotron X-ray computed tomography

Correction of center of rotation and projection angle in synchrotron X-ray computed tomography

Abstract An error in tomographic reconstruction parameters can result considerable artifacts in the reconstructed image, particularly in micro-computed tomography and nano-computed tomography. This study involved designing an automatic method for efficiently correcting errors resulting from incorrec...

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Main Authors: Chang-Chieh Cheng, Yu-Tai Ching, Pai-Hung Ko, Yeukuang Hwu
Format: Article
Language:English
Published: Nature Publishing Group 2018-06-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-018-28149-8
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spelling doaj-9a9464ba03594466b14be21538ea88832020-12-08T04:50:13ZengNature Publishing GroupScientific Reports2045-23222018-06-01811910.1038/s41598-018-28149-8Correction of center of rotation and projection angle in synchrotron X-ray computed tomographyChang-Chieh Cheng0Yu-Tai Ching1Pai-Hung Ko2Yeukuang Hwu3Department of Computer Science, College of Computer Science, National Chiao Tung UniversityDepartment of Computer Science, College of Computer Science, National Chiao Tung UniversityDepartment of Engineering Science, National Cheng Kung UniversityInstitute of Physics, Academia SinicaAbstract An error in tomographic reconstruction parameters can result considerable artifacts in the reconstructed image, particularly in micro-computed tomography and nano-computed tomography. This study involved designing an automatic method for efficiently correcting errors resulting from incorrectly determined rotational axes and projection angles. In this method, errors are corrected by minimizing the “total variation” of a reconstructed image, and minimization is accomplished by using the gradient descent method. Compared with two previous methods, the proposed method achieved the best reconstruction results.https://doi.org/10.1038/s41598-018-28149-8
collection DOAJ
language English
format Article
sources DOAJ
author Chang-Chieh Cheng
Yu-Tai Ching
Pai-Hung Ko
Yeukuang Hwu
spellingShingle Chang-Chieh Cheng
Yu-Tai Ching
Pai-Hung Ko
Yeukuang Hwu
Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
Scientific Reports
author_facet Chang-Chieh Cheng
Yu-Tai Ching
Pai-Hung Ko
Yeukuang Hwu
author_sort Chang-Chieh Cheng
title Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
title_short Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
title_full Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
title_fullStr Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
title_full_unstemmed Correction of center of rotation and projection angle in synchrotron X-ray computed tomography
title_sort correction of center of rotation and projection angle in synchrotron x-ray computed tomography
publisher Nature Publishing Group
series Scientific Reports
issn 2045-2322
publishDate 2018-06-01
description Abstract An error in tomographic reconstruction parameters can result considerable artifacts in the reconstructed image, particularly in micro-computed tomography and nano-computed tomography. This study involved designing an automatic method for efficiently correcting errors resulting from incorrectly determined rotational axes and projection angles. In this method, errors are corrected by minimizing the “total variation” of a reconstructed image, and minimization is accomplished by using the gradient descent method. Compared with two previous methods, the proposed method achieved the best reconstruction results.
url https://doi.org/10.1038/s41598-018-28149-8
work_keys_str_mv AT changchiehcheng correctionofcenterofrotationandprojectionangleinsynchrotronxraycomputedtomography
AT yutaiching correctionofcenterofrotationandprojectionangleinsynchrotronxraycomputedtomography
AT paihungko correctionofcenterofrotationandprojectionangleinsynchrotronxraycomputedtomography
AT yeukuanghwu correctionofcenterofrotationandprojectionangleinsynchrotronxraycomputedtomography
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