Fig. 1.

Analytic deforming phantom, (a) Axial and (b) longitudinal views of the analytic phantom at beginning (blue) and end (red) systole. Circumferential ($\overrightarrow{c}$), radial ($\overrightarrow{r}$), and longitudinal ($\overrightarrow{l}$) directions are also shown, (c) Cardiomyocyte ($\overrightarrow{f}$) directions were prescribed in the phantom according to a rule-based approach calibrated on histological data.