Table 1: Parameters of the surface fitting. Number of polygons: number of polygons in the polygonal surfaces of Figure 2. , : number of elements along the and coordinates of the parametric plane. Stiffness: parameter in (13).

Surface Number of polygons Stiffness

Right ventricle 374,369 7 7 0.3
Left ventricle 377,863 9 9 0.2
Epicardium 1,013,085 11 11 0.1