KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Compressed B1 Control Method in Multi-channel 3 T MRI
Authors	유형석(Yoo, Hyoungsuk)
DOI	https://doi.org/10.5370/KIEE.2013.62.8.1120
Page	pp.1120-1124
ISSN	1975-8359
Keywords	3T MRI ; Multichannel ; Localization ; RF coil ; Compressed method
Abstract	Our objective of this study was to reduce radio frequency coil (RF) control time at 3 T MRI systems. A compressed method is proposed with a convex optimization and pseudo-inverse method in multi-channel RF coils. After applying the proposed methods, fields are homogenized with less field data. Even with 80% compression, the fields are well homogenized and localized, indicating that mapping requires only 20% of the original data. Detailed values are compared between each compressed result in and outside the region of interest at 3 T.

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