Abstract #3254
Optimization of Phase Map for Simultaneous Dual-frequency MR-based Conductivity Imaging
Saurav ZK Sajib 1 , Woo Chul Jeong 1 , Hyung Joong Kim 1 , Oh In Kwon 2 , and Eung Je Woo 1
1
Kyung Hee University, Yongin, Korea,
2
Konkuk
University, Seoul, Korea
Multi-frequency spectra of electrical conductivity can
provide new information for the physiological and
pathological status of biological tissues. Recent
simultaneous dual-frequency conductivity imaging by the
combination of MREIT and MREPT can provide the different
kind of internal conductivity distributions at low
frequency (below 1 kHz) induced by externally injected
currents and at the Larmor frequency related to the
strength of the magnetic field, respectively. Despite of
the potential to describe the membrane properties and
spectral information, MREPT and MREIT techniques still
suffer from the inherent weak signals and noise
amplification by the differentiation of the measured
phase data.
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