Manniesing, R.

segmentation method vessel image study plaque carotid result artery measurement diffusion volume observer function intensity patient aneurysm value bifurcation angiography imaging level structure parameter lumen ultrasound thickness point ct angiography preperitoneal contrast carotid artery vesselnes analysis difference evaluation dataset plaque volume section children brain scale slice topology speed range skull base subcutaneou noise speed function surface approach stenosi gradient atherosclerotic segmentation results intracranial region factor risk factors tissue phase number component skull vessel axis vessel wall plaque components training correlation transversal shape calcium intracranial aneurysms data sets evolution blood ficient ct scan niessen