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

Table 3

Average ω measured with respect to the ground truth using different image segmentation methods.

Method	Average ω (%)
Ratsnake supervised	90.0 ± 3.1
Block-based segmentation	61.1 ± 9.5
Ratsnake unsupervised	83.4 ± 3.4
Initial contour	72.9 ± 1.3