Automatic Detection of the Aortic Annular Plane and Coronary Ostia from Multidetector Computed Tomography

Figure 2

Overview of the MDCT images and the created mask. The extraction of a cube from the full MDCT image (a). An interpolated 128³-voxel volume centered around the aortic valve (b). The mask: a zero-valued cube contained five uniquely valued spheres centered around their associated landmark (c).

(a)

(b)

(c)