Two-dimensional magnetic susceptibility mapping of long objects by magnetic resonance imaging
朱海涛;Zhu, HT; Demachi, K; Wu, WJ; Sekino, M
刊名INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS
2014
卷号45期号:1-4页码:817-823
关键词Magnetic resonance imaging susceptibility mapping phase image
学科分类Engineering; Mechanics; Physics
DOI10.3233/JAE-141911
英文摘要Magnetic susceptibility is the inherent property of materials. Magnetic resonance imaging as a kind of non-invasive testing technique may measure the magnetic field distortion induced by the imaging object and consequently calculate its magnetic susceptibility distribution. Conventionally, magnetic susceptibility mapping is performed in three-dimensional mode with the requirement of multi-slice scanning. In the condition of long objects that have uniform distribution along one direction, two-dimensional phase image of the cross section might be enough to estimate the susceptibility. In this study, we adjust susceptibility mapping algorithm into a two-dimensional mode and evaluate the possibility of using a single-slice image to estimate the magnetic susceptibility. Simulation was performed to validate the algorithm in both ideal and noise-imposed conditions. MRI experiment was performed by using copper, graphite and iron oxide at different concentrations. The results suggest that it is possible to measure the susceptibility of a long object by a two-dimensional image.
收录类别SCI
WOS记录号WOS:000340429600107
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225041
专题中国科学院高能物理研究所_核技术应用研究中心_期刊论文
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朱海涛;Zhu, HT,Demachi, K,Wu, WJ,et al. Two-dimensional magnetic susceptibility mapping of long objects by magnetic resonance imaging[J]. INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS,2014,45(1-4):817-823.
APA 朱海涛;Zhu, HT,Demachi, K,Wu, WJ,&Sekino, M.(2014).Two-dimensional magnetic susceptibility mapping of long objects by magnetic resonance imaging.INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS,45(1-4),817-823.
MLA 朱海涛;Zhu, HT,et al."Two-dimensional magnetic susceptibility mapping of long objects by magnetic resonance imaging".INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS 45.1-4(2014):817-823.
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