Heterogeneous Breast Phantom Development for Microwave Imaging Using Regression Models

Table 4

The average and standard deviation of error of different phantoms.

	Average error		Standard deviation of error
	Permittivity	Conductivity	Permittivity	Conductivity
Fatty tissue	4.40%	0.02%	0.0570	0.1126
Skin	7.18%	6.32%	0.1421	0.0389
Fibroglandular tissue	2.99%	11.74%	0.1160	0.0822
Transitional tissue 1	0.16%	0.00%	0.0000	0.0000
Transitional tissue 2	0.00%	0.00%	0.0077	0.0000