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Magnetic induction tomography (MIT) is able to get the conductivity distribution of the subject in a cross-section by the contactless way. This advantage of MIT can be used to obtain the absolute imaging using difference reconstruction method. By our data acquisition system of MIT, we measured the data of one conductivity perturbation object in a saline solution tank. When the background was the air...
Electrical impedance tomography (EIT) estimated the electrical conductivity distribution within a body. Bipolar drive pattern appeared in most EIT studies that the current was injected with a single current source and sink. In the present study, we built a computational phantom and compared the quality of dynamic EIT image in terms of data quality, resolution and anti-noise performance associated...
We proposed a new method based on total relative change (TRC) from measured boundary voltages to quantify the volume changes of fluid during electrical impedance tomography (EIT) monitoring. The results showed that TRC linearly correlated with the volume of infused saline solution into a phantom, and the slope of TRC changes was approximately linear with the infusion speed. A inserted copper tube...
This paper deduced the Cole-Cole arc equation in form of admittance by the traditional Cole-Cole equation in form of impedance. Comparing to the latter, the former is more adaptive to the electrical impedance scanning which using lower frequency region. When using our own electrical impedance scanning device at 50-5000 Hz, the measurement data separated on the arc of the former, while collected near...
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