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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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