Abstract #3191
An Inverse Approach to MR-EPT Reconstruction
Andrea Borsic 1 , Irina Perreard 2 , and Ryan J Halter 1
1
Thayer School of Engineering, Dartmouth
College, Hanover, NH, United States,
2
Radiology
Department, Dartmouth College, Hanover, NH, United
States
This manuscript presents a novel approach to the
reconstruction of the electrical properties of tissues
from MRI B1 field information. While other approaches
require differentiation of B1 phase or amplitude
information, an inverse problem approach is proposed,
where conductivity / permittivity are estimated by
matching a simulated B1 phase / amplitude to measured
ones. Through this formulation it is possible to reduce
sensitivity to noise typical of differentiation
processes and to deal better with sharp image
transitions.
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