Efficient Sensitivity Based Reconstruction Technique to Accomplish Breast Hyperelastic Elastography

Table 9

The hypothetical and real hyperelastic parameters of the benign tumor, namely, the fibroadenoma, in the breast estimated for the Yeoh model using the proposed iterative stress-strain relation-based and sensitivity-matrix based algorithms.

Hypothetical Hyperelastic Parameters		Real Hyperelastic Parameters
Hypothetical; Hyperelastic; Parameters	Estimates	Real; Hyperelastic; Parameters	First	Seventh Iteration
(Pa)	1.6801636e+03	(Pa)	1.1862355e+03	1.1900172e+03
(Pa)	2.8495611e+03	(Pa)	1.99515281e+04	2.03980890e+04
(Pa)	0.0002326e+03	(Pa)	45.4462	60.9599
Error of (%)	41.1902	Error of (%)	0.3163	0.0014
Error of (%)	86.0316	Error of (%)	2.1984	0.0094
Error of (%)	0.6687	Error of (%)	6.4873e-03	2.7053e-05

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