Research Article

A Local Region of Interest Imaging Method for Electrical Impedance Tomography with Internal Electrodes

Figure 5

Comparison of the conventional and local-ROI imaging method by (a) singular values required to the same conductivity contrast in images and (b) ratio of norms for elements associated within the ROI and outside the ROI for each case.
964918.fig.005a
(a)
964918.fig.005b
(b)