Research Article

Efficient Sensitivity Based Reconstruction Technique to Accomplish Breast Hyperelastic Elastography

Table 5

The hypothetical and real hyperelastic parameters of the breast tumor estimated for the Mooney-Rivlin model by the use of the proposed iterative stress-strain relation-based and sensitivity-matrix based algorithms.

Hypothetical Hyperelastic ParametersReal Hyperelastic Parameters

Hypothetical
Hyperelastic & Elastic
Parameters
First
Estimates
Second
Estimates
Real Hyperelastic
Parameters
Second
Fifth
Iteration

(kPa)9.89728773e+04Hypothetical (Pa)1.396611e+04
Error of (%)1.0271Hypothetical (Pa)2.72700e+03
(Pa)1.40034876e+041.39661106e+04 (Pa)1.00062196e+040.99996187e+04
(Pa)2.6837125e+032.72700048e+03 (Pa)6.6604884e+036.6673814e+03
Error of (%)40.034939.6611Error of (%)0.06220.0038
Error of (%)59.746359.0970Error of (%)0.09770.0057
(kPa)9.89728999e+049.89736850e+04 (kPa)9.89728358e+049.89728776e+04
Error of (%)2.2868e-058.1606e-04Error of (%)4.1895e-052.8726e-07

estimates have been achieved in the primary iterations of the iterative sensitivity-matrix based algorithm by the use of the computed hypothetical hyperelastic parameters.