The impact of background removal techniques on the quantification of magnetic susceptibility in the human cortex
Diana Khabipova 1 and Jos P. Marques 1
CIBM, Lausanne, Vaud, Switzerland
Quantitative susceptibility mapping (QSM) is sensitive
to iron and myelin but pre-processing need to be
performed in order to retrieve the QSM maps. The
background removal step was analyzed and the performance
and quality of some of the state of art background
removal techniques in the estimated susceptibility of
the brain cortex was compared in this study for the
first time. While all methods have the expected high
susceptibility values of primary sensory areas in the
layer close to the white matter, the main differences
lay in the outer layer of the brain cortex.
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