Abstract #1627
Artifact Correction in Temporal Bone Imaging with GS-bSSFP
Michael N Hoff 1 , Greg J Wilson 1 , Qing-San Xiang 2,3 , and Jalal B Andre 1
1
Department of Radiology, University of
Washington, Seattle, WA, United States,
2
Department
of Radiology, University of British Columbia, Vancouver,
BC, Canada,
3
Department of Physics, University
of British Columbia, Vancouver, BC, Canada
The geometric solution (GS) is clinically applied to
correct artifacts in balanced steady state free
precession (bSSFP) images of the temporal bone at 3T.
Four phase cycled bSSFP brain images are acquired from a
patient, and a pixel-by-pixel GS is computed in the
complex plane and compared with a complex average of the
images. The solution not only eliminates bSSFP banding
and dependence on signal off-resonance, it also shows an
insensitivity to motion. Further testing is planned in
order to determine the GS capacity for correcting
motion artifacts.
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