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Abstract #3504

Deblurring for Spiral Imaging with Intra-Voxel Dephasing Modeling

Dinghui Wang1 and James G. Pipe1
1Department of Radiology, Mayo Clinic, Rochester, MN, United States


Advantages of spiral imaging include fast imaging speed, high scan efficiency and low sensitivity to motion. However, spiral imaging remains challenging in regions where the field map Δf0 changes rapidly in space, especially with long spiral readouts. The goal of this work is to address this issue by modeling the signal decay in deblurring procedure. Volunteer data demonstrated that image quality can be improved by the proposed method.

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