Magnitude least squares optimization for parallel radio frequency excitation design demonstrated at 7 Tesla with eight channels.
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The road to functional imaging and ultrahigh fieldsUndersampled Phase Retrieval with Outliers.Rapid brain MRI acquisition techniques at ultra-high fieldsPushing the limits of in vivo diffusion MRI for the Human Connectome Project.High-resolution gradient-recalled echo imaging at 9.4T using 16-channel parallel transmit simultaneous multislice spokes excitations with slice-by-slice flip angle homogenizationParallel transmission for ultrahigh-field imagingEvaluation of 2D spatially selective MR spectroscopy using parallel excitation at 7 THigh-flip-angle slice-selective parallel RF transmission with 8 channels at 7 T.Slice-selective RF pulses for in vivo B1+ inhomogeneity mitigation at 7 tesla using parallel RF excitation with a 16-element coil.Broadband slab selection with B1+ mitigation at 7T via parallel spectral-spatial excitationA method to localize RF B₁ field in high-field magnetic resonance imaging systems.Four dimensional spectral-spatial fat saturation pulse design.Extended RF shimming: Sequence-level parallel transmission optimization applied to steady-state free precession MRI of the heart.Traveling-wave RF shimming and parallel MRI.Improvements in high-field localized MRS of the medial temporal lobe in humans using new deformable high-dielectric materials.Four-dimensional spectral-spatial RF pulses for simultaneous correction of B1+ inhomogeneity and susceptibility artifacts in T2*-weighted MRI.Quantitative prediction of radio frequency induced local heating derived from measured magnetic field maps in magnetic resonance imaging: A phantom validation at 7 T.Correcting for strong eddy current induced B0 modulation enables two-spoke RF pulse design with parallel transmission: demonstration at 9.4T in the human brain.Specific absorption rate benefits of including measured electric field interactions in parallel excitation pulse design.General design approach and practical realization of decoupling matrices for parallel transmission coils.Investigation of Parallel Radiofrequency Transmission for the Reduction of Heating in Long Conductive Leads in 3 Tesla Magnetic Resonance Imaging.Local SAR in parallel transmission pulse designSystem and SAR characterization in parallel RF transmission.Direct control of the temperature rise in parallel transmission by means of temperature virtual observation points: Simulations at 10.5 TeslaTailored spiral in-out spectral-spatial water suppression pulses for magnetic resonance spectroscopic imaging.Parallel transmission pulse design with explicit control for the specific absorption rate in the presence of radiofrequency errors.Volumetric imaging with homogenised excitation and static field at 9.4 T.Local SAR, global SAR, and power-constrained large-flip-angle pulses with optimal control and virtual observation points.Impact of number of channels on RF shimming at 3T.W(h)ither human cardiac and body magnetic resonance at ultrahigh fields? technical advances, practical considerations, applications, and clinical opportunities.Cardiac imaging at 7 Tesla: Single- and two-spoke radiofrequency pulse design with 16-channel parallel excitation.Gain of Imaging Fidelity by Employing a Higher Number of Independent Transmit Channels Together with Slice-Selective Radio-Frequency (RF) Shimming at 7T.B1+ inhomogeneity mitigation in CEST using parallel transmission.MR imaging of the temporomandibular joint: comparison between acquisitions at 7.0 T using dielectric pads and 3.0 T.Mitigation of B1+ inhomogeneity using spatially selective excitation with jointly designed quadratic spatial encoding magnetic fields and RF shimming.Seven-tesla time-of-flight angiography using a 16-channel parallel transmit system with power-constrained 3-dimensional spoke radiofrequency pulse design.Robust time-shifted spoke pulse design in the presence of large B0 variations with simultaneous reduction of through-plane dephasing, B1+ effects, and the specific absorption rate using parallel transmission.VERSE-guided numerical RF pulse design: a fast method for peak RF power control.Strategies for improved 3D small-tip fast recovery imaging.Design of parallel transmission radiofrequency pulses robust against respiration in cardiac MRI at 7 Tesla.
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P2860
Magnitude least squares optimization for parallel radio frequency excitation design demonstrated at 7 Tesla with eight channels.
description
article científic
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article scientifique
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articolo scientifico
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artigo científico
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bilimsel makale
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scientific article published on April 2008
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vedecký článok
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vetenskaplig artikel
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videnskabelig artikel
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vědecký článek
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Magnitude least squares optimi ...... t 7 Tesla with eight channels.
@en
Magnitude least squares optimi ...... t 7 Tesla with eight channels.
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Magnitude least squares optimi ...... t 7 Tesla with eight channels.
@en
Magnitude least squares optimi ...... t 7 Tesla with eight channels.
@nl
prefLabel
Magnitude least squares optimi ...... t 7 Tesla with eight channels.
@en
Magnitude least squares optimi ...... t 7 Tesla with eight channels.
@nl
P2093
P2860
P356
P1476
Magnitude least squares optimi ...... at 7 Tesla with eight channels
@en
P2093
B A Gagoski
E Adalsteinsson
K Setsompop
V Alagappan
P2860
P304
P356
10.1002/MRM.21513
P577
2008-04-01T00:00:00Z