A Preliminary Real-Time and Realistic Simulation Environment for Percutaneous Coronary Intervention

Figure 3

The procedure of centerline extraction method. From (a) to (d) are the input aorta vascular model, the subdivided mesh after contraction (in blue), the initial joint clustering after principal component analysis, and the output curve skeleton after fitting by cubic B-spline, respectively.

(a)

(b)

(c)

(d)