Research Article

Image Reconstruction Based on Homotopy Perturbation Inversion Method for Electrical Impedance Tomography

Table 1

Comparison of relative errors for the reconstructions displayed in Figures 3(a), 3(b), 4(a), 4(b), 5(a), and 5(b).

Iterations Figure 3(a)Figure 3(b)Figure 4(a)Figure 4(b)Figure 5(a)Figure 5(b)

10 steps0.2150 0.2239 0.1213 0.1414 0.17180.1895
20 steps0.2072 0.2208 0.1133 0.1355 0.15930.1839
50 steps0.1954 0.2147 0.1066 0.1216 0.15000.1713