Angle measurement 1 Bifurcation (mathematics) 1 Bifurcation angle Branching characteristics 1 Cardio-vascular disease 1 Computational methods 1 Image analysis 1 Image segmentation 1 Measurement algorithms 1 Medical image processing 1 Ophthalmology 1 Qualitative measurements 1 Retinal image 1 Retinal image analysis 1 Systems analysis 1 The region of interest (ROI) 1 biomedical image processing 1 image analysis 1 retinal image 1 segmentation 1 tracing boundries 1