Abstract #4908
A Statistical Study of Head Models for Local SAR Simulation
Yu Shao 1 , Peng Zeng 2 , and Shumin Wang 2
1
Auburn University, Auburn, Alabama, United
States,
2
Auburn
University, Alabama, United States
Subject-specific local SAR analysis is critical to the
safety of multi-channel transmission at high fields. In
order to calculate the local SAR, subject numerical
models need to be constructed at first. However, highly
detailed subject models may not be available because
they require high-resolution images, which in turn
require the local SAR problem to be solved at first
place. In a previous study, it was found that
three-tissue water/fat/air model is sufficiently
accurate for local SAR analysis at 3 Tesla. In this
study, we shall apply a statistical approach to find the
appropriate simplification of head models and its
accuracy.
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