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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)
2014
发表期刊IEEE TRANSACTIONS ON MEDICAL IMAGING
卷号33期号:9页码:1781-1787
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.
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
学科领域Computer Science; Engineering; Imaging Science & Photographic Technology; Radiology, Nuclear Medicine & Medical Imaging
DOI10.1109/TMI.2014.2313879
收录类别SCI
WOS记录号WOS:000341773600002
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被引频次:16[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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