Fig. 3From: Segmentation of finger tendon and synovial sheath in ultrasound image using deep convolutional neural networkPredicted result contours (cyan) and the convex hull outputs (red). a Smooth contour (CHD = 1.41). b Contour with a bud (CHD = 7.62). c Contour with a groove (CHD = 18.68)Back to article page