Motion corrected magnetic resonance imaging

Details Motion corrected magnetic resonance imaging Motion corrected magnetic resonance imaging

2006-09-01

2008-03-25

Shrivastav, Brij (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

Reexamination Certificate

active

07348776

ABSTRACT:
A method of correcting for motion in magnetic resonance images of an object detected by a plurality of signal receiver coils comprising the steps of acquiring a plurality of image signals with the plurality of receiver coils, determining motion between sequential image signals relative to a reference, applying rotation and translation to image signals to align image signals with the reference, determining altered coil sensitivities due to object movement during image signal acquisition, and employing parallel imaging reconstruction of the rotated and translated image signals using the altered coil sensitivities in order to compensate for undersampling in k-space.

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Bammer et al., “An Apparatus to Perform Motion Corrected Magnetic Resonance Imaging”, Invention Disclosure (unpublished), 3 pages.
Aksoy et al., “A Self-Navigated Spiral In & Out Pulse Sequence Design for Retrospective Motion Correction”, ISMRM 14th Scientific Meeting and Exhibition, May 6-12, 2006, Seattle, Washington, USA, 6 pages.

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