This document discusses, among other things, systems and methods for segmenting and displaying blood vessels or other tubular structures in volumetric imaging data. The vessel of interest is specified by user input, such as by using a single point-and-click of a mouse or using a menu to select the desired...http://www.google.de/patents/US20050110791?utm_source=gb-gplus-sharePatent US20050110791 - Systems and methods for segmenting and displaying tubular vessels in volumetric imaging data