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 Parameters
Real Hyperelastic Parameters
Hypothetical Hyperelastic & Elastic Parameters
First Estimates
Second Estimates
Real Hyperelastic Parameters
Second
Fifth Iteration
(kPa)
9.89728773e+04
Hypothetical (Pa)
1.396611e+04
Error of (%)
1.0271
Hypothetical (Pa)
2.72700e+03
(Pa)
1.40034876e+04
1.39661106e+04
(Pa)
1.00062196e+04
0.99996187e+04
(Pa)
2.6837125e+03
2.72700048e+03
(Pa)
6.6604884e+03
6.6673814e+03
Error of (%)
40.0349
39.6611
Error of (%)
0.0622
0.0038
Error of (%)
59.7463
59.0970
Error of (%)
0.0977
0.0057
(kPa)
9.89728999e+04
9.89736850e+04
(kPa)
9.89728358e+04
9.89728776e+04
Error of (%)
2.2868e-05
8.1606e-04
Error of (%)
4.1895e-05
2.8726e-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.