Efficient Sensitivity Based Reconstruction Technique to Accomplish Breast Hyperelastic Elastography
Table 6
The hypothetical and real hyperelastic parameters of the normal breast tissue, namely, the fibroglandular tissue, estimated for the Mooney-Rivlin model using the proposed iterative stress-strain relation-based and sensitivity-matrix based algorithms.
Hypothetical Hyperelastic Parameters
Real Hyperelastic Parameters (In regard to first estimates of hypothetical hyperelastic parameters)
Hypothetical Hyperelastic Parameters
First Estimates
Second Estimates
Real Hyperelastic Parameters
Third
Fifth Iteration
(Pa)
1.5851138e+03
1.0814951e+03
(Pa)
3.5088899e+03
3.4997360e+03
(Pa)
26.5302
7.746264e+02
(Pa)
2.3235739e+03
2.3335629e+03
Error of (%)
54.7110
69.1001
Error of (%)
0.2540
0.0075
Error of (%)
98.8630
66.8013
Error of (%)
0.0042
0.0001
Error of (%)
2.0536
1.9088
Error of (%)
3.1787e-04
1.6123e-07
estimates have been obtained in the primary iterations of the iterative sensitivity-matrix based algorithm by making use of the calculated hypothetical hyperelastic parameters.