A control system approach to subject specific prospective respiratory motion correction in cardiac MRI

Includes bibliographical references. === Respiratory motion of the heart is a problem for high-resolution cardiac MRI. Diaphragmatic navigator gating with a 5mm acceptance window is most commonly used to address this but has an inherently low respiratory efficiency that is further compromised by res...

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Bibliographic Details
Main Author: Burger, Ian H
Other Authors: Meintjes, Ernesta
Format: Doctoral Thesis
Language:English
Published: University of Cape Town 2014
Subjects:
Online Access:http://hdl.handle.net/11427/10220
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spelling ndltd-netd.ac.za-oai-union.ndltd.org-uct-oai-localhost-11427-102202020-07-22T05:07:41Z A control system approach to subject specific prospective respiratory motion correction in cardiac MRI Burger, Ian H Meintjes, Ernesta Human Biology Includes bibliographical references. Respiratory motion of the heart is a problem for high-resolution cardiac MRI. Diaphragmatic navigator gating with a 5mm acceptance window is most commonly used to address this but has an inherently low respiratory efficiency that is further compromised by respiratory drift. A novel method is presented that uses data from multiple navigators prior to the imaging segment as input for a control system to predict the diaphragm position throughout the imaging segment and correct the slice position in real time. 2014-12-27T14:08:04Z 2014-12-27T14:08:04Z 2012 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/10220 eng application/pdf University of Cape Town Faculty of Health Sciences Department of Human Biology
collection NDLTD
language English
format Doctoral Thesis
sources NDLTD
topic Human Biology
spellingShingle Human Biology
Burger, Ian H
A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
description Includes bibliographical references. === Respiratory motion of the heart is a problem for high-resolution cardiac MRI. Diaphragmatic navigator gating with a 5mm acceptance window is most commonly used to address this but has an inherently low respiratory efficiency that is further compromised by respiratory drift. A novel method is presented that uses data from multiple navigators prior to the imaging segment as input for a control system to predict the diaphragm position throughout the imaging segment and correct the slice position in real time.
author2 Meintjes, Ernesta
author_facet Meintjes, Ernesta
Burger, Ian H
author Burger, Ian H
author_sort Burger, Ian H
title A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
title_short A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
title_full A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
title_fullStr A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
title_full_unstemmed A control system approach to subject specific prospective respiratory motion correction in cardiac MRI
title_sort control system approach to subject specific prospective respiratory motion correction in cardiac mri
publisher University of Cape Town
publishDate 2014
url http://hdl.handle.net/11427/10220
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