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.