METHOD FOR DISTINGUISHING PULMONARY ARTERY AND PULMONARY VEIN, AND METHOD FOR QUANTIFYING BLOOD VESSELS USING SAME

摘要

Disclosed is a method for distinguishing a pulmonary artery and a pulmonary vein, comprising the steps of: forming a pulmonary blood vessel set for points corresponding to the pulmonary blood vessels including a pulmonary artery and a pulmonary vein wherein the respective points of the pulmonary blood vessel set have weight information including an intensity weight and a local shape weight; forming a tree from the points of the pulmonary blood vessel set by using the weight information; and distinguishing the pulmonary artery and the pulmonary vein by separating the tree into a plurality of regions. In addition, the present invention relates to a method for quantifying blood vessels, comprising the steps of: extracting blood vessels as a three-dimensional set of voxels on the basis of the medical image of an organ; finding voxels of a blood vessel contained in the region of interest of an organ; and quantifying the length information of the blood vessel, including a diameter, by using the found voxels.