Fig. 6

Initial shape refinement procedure. (a) Endocardial contour points from PDM and CTr-HNs at their original position, (b) Plane fitting for points from CTr-HNs, (c) Rotated endocardial contour points from PDM and CTr-HNs, (d) Stretched & aligned initial shape with CTr-HNs points, (e) Refined initial shape and CTr-HNs results in their original position. Points with black circles are adopted for plane fitting and transformation