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MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS WITH MOTION-CORRECTED MODEL-BASED ACCELERATION OF PARAMETER MAPPING

  • US 20170115367A1
  • Filed: 10/21/2016
  • Published: 04/27/2017
  • Est. Priority Date: 10/23/2015
  • Status: Active Grant
First Claim
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1. A method for generating magnetic resonance (MR) image data, comprising:

  • operating an MR data acquisition scanner to execute an MR data acquisition sequence to acquire an MR signal from a subject;

    entering numerical values representing said MR signal into a memory organized as k-space, thereby populating said memory with k-space data;

    providing an image reconstruction computer with a reconstruction algorithm that makes use of a model that requires said MR signal to exhibit an signal behavior from a relaxation model;

    when said MR signal does not exhibit said model signal behavior due to motion of the subject, applying a motion correction procedure to said k-space data to give the MR signal represented by the k-space data said model signal behavior, and thereby obtaining motion-corrected k-space data;

    in said reconstruction computer, using said reconstruction algorithm to reconstruct image data from the corrected k-space data; and

    making the image data available from the reconstruction computer in electronic form as a datafile.

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