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Publication Detail
A comparison of q-ball and PASMRI on sparse diffusion MRI data
  • Publication Type:
    Conference
  • Authors:
    Alexander DC
  • Publisher:
    International Society for Magnetic Resonance in Medicine
  • Publication date:
    2004
  • Place of publication:
    Berkeley, US
  • Pagination:
    90
  • Published proceedings:
    International Society for Magnetic Resonance in Medicine 12th Annual Scientific Meeting and Exhibition: 2004 Proceedings
  • Status:
    Published
  • Print ISSN:
    1545-4436
  • Language:
    English
Abstract
This study compares two algorithms, PASMRI and q-ball imaging, for resolving the orientations of crossing fibres using diffusion MR data. We compare the performance quantitatively on synthetic data in which the number and direction of the crossing fibres is known and qualitatively on human brain data. We find that PASMRI resolves fibre orientations more consistently, but that a small increase in data quality call allow q-ball, which is much faster than PASMRI, to produce similar results.
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