7T Transmit/Receive Arrays Using ICE Decoupling for Human Head MR Imaging
Yan XQ(燕新强); Yan, XQ; Feng BT(丰宝桐); Zhang, XL; Feng, BT; Ma, CX; Wei, L; Xue, R; Ma CX(马创新); Wei L(魏龙)
刊名IEEE TRANSACTIONS ON MEDICAL IMAGING
2014
卷号33期号:9页码:1781-1787
关键词Decoupling high field magnetic resonance imaging (MRI) human head induced current compensation or elimination (ICE) loop parallel imaging phased array radio-frequency (RF) coil
学科分类Computer Science; Engineering; Imaging Science & Photographic Technology; Radiology, Nuclear Medicine & Medical Imaging
DOI10.1109/TMI.2014.2313879
英文摘要In designing large-sized volume type phased array coils for human head imaging at ultrahigh fields, e.g., 7T, minimizing electromagnetic coupling among array elements is technically challenging. A new decoupling method based on induced current compensation or elimination (ICE) for a microstrip line planar array has recently been proposed. In this study, an eight-channel transmit/receive volume array with ICE-decoupled loop elements was built and investigated to demonstrate its feasibility and robustness for human head imaging at 7T. Isolation between adjacent loop elements was better than - 25 dB with a human head load. The worst-case of the isolation between all of the elements was about - 17.5 dB. All of the MRI experiments were performed on a 7T whole-body human MR scanner. Images of the phantom and human head were acquired and g-factor maps were measured and calculated to evaluate the performance of the coil array. Compared with the conventional capacitively decoupled array, the ICE-decoupled array demonstrated improved parallel imaging ability and had a higher SNR. The experimental results indicate that the transceiver array design with ICE decoupling technique might be a promising solution to designing high performance transmit/receive coil arrays for human head imaging at ultrahigh fields.
收录类别SCI
WOS记录号WOS:000341773600002
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225026
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
中国科学院高能物理研究所_核技术应用研究中心
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Yan XQ,Yan, XQ,Feng BT,et al. 7T Transmit/Receive Arrays Using ICE Decoupling for Human Head MR Imaging[J]. IEEE TRANSACTIONS ON MEDICAL IMAGING,2014,33(9):1781-1787.
APA 燕新强.,Yan, XQ.,丰宝桐.,Zhang, XL.,Feng, BT.,...&魏龙.(2014).7T Transmit/Receive Arrays Using ICE Decoupling for Human Head MR Imaging.IEEE TRANSACTIONS ON MEDICAL IMAGING,33(9),1781-1787.
MLA 燕新强,et al."7T Transmit/Receive Arrays Using ICE Decoupling for Human Head MR Imaging".IEEE TRANSACTIONS ON MEDICAL IMAGING 33.9(2014):1781-1787.
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