Abstract #4904
A Fast Method to Estimate SAR Distribution from Temperature Images Highly Affected by Noise
Giuseppe Carluccio 1 , Florian Knoll 1 , Cem Murat Deniz 1 , Leeor Alon 1 , and Christopher Michael Collins 1
1
Bernard and Irene Schwartz Center for
Biomedical Imaging, New York University School of
Medicine, New York, New York, United States
Even though temperature increase has a direct
relationship to risk, local 10g average SAR is still the
quantity most used to assess safety with reference to
existing guidelines. MR thermometry allows measurements
of temperature distribution through a cross-section of
the sample. Inverting a method to estimate temperature
from SAR, we have proposed a method to estimate SAR from
temperature maps which is highly insensitive to noise,
which often strongly affects temperature maps acquired
with MR thermometry.
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