关键词：背景相位校正 磁场检测
ISMRM 2025 Abstract #3660
Evaluation of background phase errors from eddy currents and mechanical oscillations in phase contrast magnetic resonance imaging
Authors
Simon Olof Anders Thalén1,2, Michael Loecher1,2, and Daniel Bruce Ennis1,2
1Radiological Sciences Laboratory, Stanford University, Stanford, CA, United States,
2Division of Radiology, Veterans Administration Health Care System, Palo Alto, CA, United States
The necessary correction for background phase errors depends on the VENCs, which explains why errors are protocol dependent.
A stacked area plot showing the background phase contributions from exponential errors (i.e. short time constant eddy currents), constant errors (i.e. long time constant eddy currents), and oscillatory (i.e. mechanical resonances).
Animated error and detrended phase error for VENCs 1 from to 150 cm/s.
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