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Abstract #1687

Minimum number of scans for magic angle directional imaging based on a priori anatomical information

Harry Lanz1, Karyn Elizabeth Chappell2, and Mihailo Ristic3
1Mechanical Engineering, Imperial College London, London, United Kingdom, 2Surgery and Cancer, Imperial College London, London, United Kingdom, 3Mechanical Engineering Department, Imperial College London, London, United Kingdom


By exploiting the field-dependent anisotropy of collagen, valuable clinical information can be obtained, such as fibre tractography. We investigated the use of a priori anatomical knowledge such as scout scan, using both simulations and experimentally acquired images. We conclude that only 3 scanning directions may be sufficient for robust analysis, instead of 9 or more in the case when no such information is used. The method is also compatible with low SNR values associated with low-field MRI.

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