| Summary: | Electric properties tomography (EPT) is a novel magnetic resonance imaging–based method to estimate non-invasively the distribution of the electric properties in the human body. In this paper, <i>EPTlib</i>, an open-source extensible C++ library collecting ready-to-use algorithms for electric properties tomography, is presented. Currently, <i>EPTlib</i> implements three techniques, named Helmholtz-EPT, convection-reaction-EPT and gradient-EPT, whose derivation and implementation is deeply discussed. Moreover, the configuration files needed by the terminal application included in <i>EPTlib</i> to apply the implemented techniques are outlined. The three techniques are applied to a couple of model problems in order to highlight their main features and the effects of the tunable parameters.
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