Research Article

Ultrasound Common Carotid Artery Segmentation Based on Active Shape Model

Figure 4

Nine equally spaced landmark points (red points) along the manual contour (green points) were averagely picked for ASM training ((a): LIB; (b): MAB; refer to Figure 1). Three hundred and forty images were labelled by senior physicians. Some of the points may locate on weak edges.
345968.fig.004a
(a)
345968.fig.004b
(b)