Figure 13From: Structure-based level set method for automatic retinal vasculature segmentationLevel set evolution with setting parameter values for a non-pathological image obtained from DRIVE dataset. ϑ = 0.4 and α = 1.5 (a), ϑ = 0.8 and α = 2.5 (b), and ϑ = 1 and α = 3 (c).Back to article page