A Subspace Preconditioned LSQR Gauss-Newton Method with a Constrained Line Search Path Applied to 3D Biomedical Microwave Imaging

Figure 10

Views on the investigation domain and the dipole configuration for the simplified breast phantoms: front view (a), side view (b). The arrows visualize the dipole orientations and the large black dots indicate positions with both transmitters and receivers.

(a)

(b)