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Magnetic resonance imaging with motion correction suing pre-pulses and navigators

  • US 10,145,927 B2
  • Filed: 04/17/2015
  • Issued: 12/04/2018
  • Est. Priority Date: 04/22/2014
  • Status: Active Grant
First Claim
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1. A method for magnetic resonance (MR) imaging of a region of interest of a subject of interest under application of a scanning sequence comprising at least one pre-pulse and multiple readouts, whereby the multiple readouts are performed after the at least one pre-pulse with different configurations causing different image contrasts, comprising the steps of:

  • performing a preparation phase comprising applying the scanning sequence to provide a set of reference readouts using the different configurations, and generating a set of navigator images with one navigator image of the region of interest for each configuration of the reference readouts,performing an examination phase comprising applying the scanning sequence, whereby at least one image of the region of interest is generated for each scanning sequence,determining motion of the subject of interest by comparing at least one image of the scanning sequence of the examination phase to the navigator image having the same configuration as the compared image;

    performing motion correction of the at least one image based on the determined motion of the subject of interest of the at least one image; and

    providing an MR scan of the region of interest of the subject of interest (120) based on the images after performing motion correction.

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