Abstract #3249
Subject-specific multi-rx data combination using two-stage optimization for phase-based EPT
Jaewook Shin 1 , Joonsung Lee 2,3 , Min-oh Kim 1 , Narae Choi 1 , and Dong-Hyun Kim 1
1
Department of Electrical and Electronic
Engineering, Yonsei University, Seodaemun-Gu, Seoul,
Korea,
2
SIRIC,
Yonsei University, Seodaemun-Gu, Seoul, Korea,
3
Nanomedical
Research Center, Yonsei University, Seoul, Korea
Phase-based EPT is efficient method to measure in-vivo
electrical conductivity distribution using only B1 phase
information. To measure accurate conductivity value
using phase-based EPT, spatial variation of the
magnitude of transmit (B1+) and receive (B1-) field has
to be negligible.However, when signal was received using
multi-Rx, the spatial variation of B1- magnitude is
non-negligible. In this study, we suggest a
patient-individual coil combine method using two-stage
optimization.
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