Fig. 13:

Two-dimensional shear wave group (a) and phase (b) (e) velocity images for the inclusion size of 10.40, 6.49, 4.05 and 2.53 mm diameter, respectively. Group velocity maps (a) are obtained from the group velocity method described in [3]. Phase velocity images (b)-(c) were calculated based on the approach developed in this manuscript. The f₀ used for the calculations was equal to 1050 Hz, whereas f_band was selected from 702 to 1106 Hz, respectively. Phase velocity maps for f₀ = 800 Hz in (d) were calculated based on the approach presented in [24]. The f_band in (e) was chosen the same as for LPVI approach. Presented images are computed for the CIRS phantom with an inclusion Type IV. Dashed lines present a true inclusion location estimated from B-mode. Reconstructed images for additional frequencies can be found in the Supplementary Material in Figs. S4 and S5.