Ratsnake: A Versatile Image Annotation Tool with Application to Computer-Aided Diagnosis

Table 4

ω values obtained for the images from Figure 6.

Image			Ratsnake supervised	Block-based Segmentation	Ratsnake unsupervised	Initial contour
Figure 1(a)	ω (%)	Object 1	92.8	59.3	86.8	71.3
		Object 2	91.0	56.3	81.4	73.5
Figure 1(b)	ω (%)	Object 1	89.1	70.8	84.5	71.7
		Object 2	92.9	76.6	86.4	72.6