Abstract #4374
Artifact Reduction in Time-of-Flight Imaging at 7 T using Temporally Resolved Compressed Sensing
Anders Garpebring 1,2 , Maarten J. Versluis 1,3 , and Matthias J. P. van Osch 1,3
1
CJ Gorter Center for high field MRI, Leiden
University Medical Center, Leiden, Zuid-Holland,
Netherlands,
2
Radiation
Sciences, Ume University, Ume, Sweden,
3
Radiology,
Leiden University Medical Center, Leiden, Zuid-Holland,
Netherlands
High resolution time-of-flight angiograms are frequently
degraded due to pulsation artifacts. By acquiring the
data randomly and subdividing it based on the timing
relative to the cardiac cycle data suitable for
spatio-temporal compressed sensing can be obtained.
Results based on data from a 7 T scanner show that this
approach is successful in eliminating the pulsation
artifacts and that it in addition enables visualization
of vessel intensity changes and vessel motion.
This abstract and the presentation materials are available to members only;
a login is required.
Join Here