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Poole et al., 2008 - Google Patents

Volume parcellation for improved dynamic shimming

Poole et al., 2008

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Document ID
10392276996096890642
Author
Poole M
Bowtell R
Publication year
Publication venue
Magnetic Resonance Materials in Physics, Biology and Medicine

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Snippet

Introduction The need for a homogeneous magnetic field in magnetic resonance imaging is well established, especially at high static magnetic field strengths where susceptibility- induced image distortions and signal losses become excessively large. Dynamic shim …
Continue reading at citeseerx.ist.psu.edu (PDF) (other versions)

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    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/5611Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
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    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
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    • G01R33/5615Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
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    • G01N24/08Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance

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