Measurement of body fat distribution by using 3-D electrical impedance tomography — Some improvements on reconstruction algorithm

摘要

Excessive visceral fat is a main cause of life-style related diseases such as diabetes. If a simple measurement of visceral fat distribution in vivo is realized, it will greatly help us to prevent ourselves from these diseases. To measure fat distribution in vivo, we have been working on an electric impedance tomography (EIT) system. In our previous study, we showed some basic results of numerical simulations and experimental results using simplified body phantom. In this paper, we will present some improvements in reconstruction algorithm, such as modified modeling of electrode potential, optimizing initial value of the iterative computation and comparing investigation on electrode arrangement. Some improved results will also be shown.