Abstract #2608
Validation of mean apparent propagator MRI
Alan Seth Barnett 1,2 , Elizabeth Hutchinson 1,2 , Ferenc Horkay 1 , Michal Komlosh 1,2 , Evren Ozarslan 3 , Carlo Pierpaoli 1 , and Peter Basser 1
1
NICHD, NIH, Bethesda, MD, United States,
2
CNRM,
USUHS, Bethesda, MD, United States,
3
Department
of Radiology, Harvard Medical School, Boston, MA, United
States
Mean apparent propagtor MRI (MAP-MRI) is a method of
using diffusion MRI to map tissue microstructure. To
evaluate the accuracy and precision of MAP-MRI we use a
test system consisting of an array of microscopic
cylinders. We use both simulated data, computed using
the multiple correlation function (mcf) method, and real
diffusion imaging data of a special phantom. We report
the accuracy and precision of several MAP parameters as
a function of the signal-to-noise ratio of the
non-diffusion weighted images.
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