Abstract #0818
On the Resilience of GS-bSSFP to Motion and other Noise-like Artifacts
Michael N Hoff 1 , Jalal B Andre 1 , and Qing-San Xiang 2,3
1
Radiology, University of Washington,
Seattle, Washington, United States,
2
Physics,
University of British Columbia, Vancouver, British
Columbia, Canada,
3
Radiology, University of
British Columbia, Vancouver, British Columbia, Canada
A geometric solution (GS) to balanced steady state free
precession (bSSFP) signal modulation in MRI has recently
shown to additionally mitigate motion artifacts. The
underlying mechanism behind its correction of noise-like
artifacts is explored through simulations that permit
evaluation of the GS solution performance as a function
of the base image noise radiality relative to the
spokes used for GS localization. It is discovered that
the GS is resilient to any such radially-oriented noise,
indicating GS-bSSFP applications in clinical scenarios
that may suffer from noise-like artifacts such as those
caused by patient motion, flow, and RF interference.
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