Fast online‐customized (FOCUS) parallel transmission pulses: A combination of universal pulses and individual optimization

Purpose To mitigate spatial flip angle (FA) variations under strict specific absorption rate (SAR) constraints for ultra‐high field MRI using a combination of universal parallel transmit (pTx) pulses and fast subject‐specific optimization. Methods Data sets consisting of B0, B1+ maps, and virtual ob...

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Bibliographic Details
Published in:	Magnetic resonance in medicine Vol. 85; no. 6; pp. 3140 - 3153
Main Authors:	Herrler, Jürgen, Liebig, Patrick, Gumbrecht, Rene, Ritter, Dieter, Schmitter, Sebastian, Maier, Andreas, Schmidt, Manuel, Uder, Michael, Doerfler, Arnd, Nagel, Armin M.
Format:	Journal Article
Language:	English
Published:	United States Wiley Subscription Services, Inc 01.06.2021
Subjects:	7 T Adiabatic Adolescent Adult Algorithms Brain - diagnostic imaging Brain Injuries - diagnostic imaging Case-Control Studies Circular polarization Customization Data acquisition Datasets Female Homogeneity Humans Image Processing, Computer-Assisted - methods kT points Magnetic resonance imaging Magnetic Resonance Imaging - methods Male Mathematical analysis Optimization parallel transmission (pTx) Regularization SPINS ultra‐high‐field MRI universal pulses Young Adult kT points 7 T parallel transmission (pTx) SPINS ultra-high-field MRI universal pulses
ISSN:	0740-3194, 1522-2594, 1522-2594
Online Access:	Get full text
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