Abstract #2461
Non-linear TRASE
Somaie Salajeghe 1 , Paul Babyn 2 , Jonathan C. Sharp 3 , and Gordon E. Sarty 1
1
Division of Biomedical Engineering,
University of Saskatchewan, Saskatoon, SK, Canada,
2
Medical
Imaging, University of Saskatchewan, Saskatoon, SK,
Canada,
3
Department of Oncology, University of
Alberta, Edmonton, AB, Canada
Transmit array spatial encoding (TRASE) uses spatial RF
phase gradients in place of main field gradients to
encode image information. When the RF gradients are
linear the image may be reconstructed using the Fourier
transform. Since linear gradients may be somewhat
expensive to achieve, we investigated the possibility of
using least squares to reconstruct data from non-linear
TRASE. Our results indicate that this is a feasible
approach.
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