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Motion Correction for Magnetic Resonance Angiography (MRA) With 3D Radial Acquisitions
Motion Correction for Magnetic Resonance Angiography (MRA) With 3D Radial Acquisitions
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机译:具有3D径向采集的磁共振血管造影(MRA)的运动校正
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摘要
A magnetic resonance imaging (MRI) system, method and/or computer readable medium is configured to effect magnetic resonance angiography (MRA) images with reduced motion artifacts includes acquiring a plurality of k-space data sets by traversing a plurality of radial trajectories in three-dimensional (3D) k-space, generating a plurality of 3D MR images derived from k-space populated by the k-space data sets, aligning the 3D MR images with respect to each other, determining one or more motion parameters for the object based upon the aligning, modifying values of k-space data sets using the determined one or more motion parameters, generating a motion-corrected 3D MR image from a combination of acquired k-space data sets including the modified values.
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