Artifacts in CSI-measurements caused by the drift of the static magnetic field

被引：0
作者：
O. Schmidt
S. Widmaier
M. Bunse
W. -I. Jung
G. J. Dietze
O. Lutz
机构：
[1] University of Tübingen,Physikalisches Institut
[2] Max Grundig Clinic,Hypertension and Diabetes Research Unit
来源：
Magnetic Resonance Materials in Physics, Biology and Medicine | 2000年 / 10卷 / 3期
关键词：
NMR; CSI; Artifact; Magnetic field drift;
D O I：
10.1007/BF02590642
中图分类号：
学科分类号：
摘要：
In chemical shift resolved spectroscopic imaging (CSI) temporal changes in the static magnetic field (drift) can lead to distortions of the phase encoding process. This can result in localization artifacts. The extent of the artifact depends on the size of the drift, the number of acquisitions, as well as on the combination of the size of the field of view and the number of phase encoding gradient steps. Furthermore, it is affected by the succession of the phase encoding gradients. Precautions are described which allow substantial minimization of the artifact.
引用
收藏
页码：167 / 170
页数：3
相关论文
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