A generic conductivity non homogeneity model for the linearized EIT problem [articol]

Abstract

The paper introduces a new dipole like model for a perturbation induced by a circular slab of incremental conductivity in a uniform current density field. The analytical solution for the forward problem is derived. The dipole model analysis reveals that the uniform parallel field is not sensitive to spatial frequencies of the conductivity function. A parallel impressed field was found to be very accurate in localizing areas of non homogeneity by their ‘center of gravity’. A couple of useful properties of the field projection on curves at distance from non homogeneity is also described.