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

Table 2

Comparison of reconstructions for the second phantom with 𝜏=20 at four different noise levels.

𝜀	HPIM				CLIM
	𝑘∗	DE	RE	𝑇 (s)	𝑘∗	DE	RE	𝑇 (s)
5%	20	0.9974	0.1199	8.6813	43	0.9997	0.1186	17.8413
3%	27	0.5999	0.1923	12.1581	59	0.5993	0.1912	25.1848
1%	91	0.1999	0.1051	38.3450	190	0.2000	0.1034	77.1894
0.5%	234	0.0993	0.0997	101.8921	479	0.1000	0.0980	221.6608