HOMOR: Higher Order Model Outlier Rejection for high b-value MR diffusion data

  title={HOMOR: Higher Order Model Outlier Rejection for high b-value MR diffusion data},
  author={Kerstin Pannek and David Raffelt and Christopher Bell and Jane L. Mathias and Stephen E. Rose},
Diffusion MR images are prone to artefacts caused by head movement and cardiac pulsation. Previous techniques for the automated voxel-wise detection of signal intensity outliers have relied on the fit of the diffusion tensor to the data (RESTORE). However, the diffusion tensor cannot appropriately model more than a single fibre population, which may lead to inaccuracies when identifying outlier voxels in crossing fibre regions, particularly when high b-values are used to obtain increased… CONTINUE READING
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