Abstract
The proper computation of geometric parameters of the aorta and coronary arteries are very important for surgery planning, disease diagnoses, and age-related changes observation in the vessels. The accurate knowledge about the geometry of aorta and coronary arteries is required for the proper investigation of heart related diseases. The geometry of aorta and coronary arteries includes the diameter of the ascending and descending aorta and coronary arteries, length of the coronary arteries, branching angles of the coronary arteries and branching points. These geometric parameters from arteries can be computed from the 3D image data. In this paper, we propose an approach for calculating geometric parameters such as length, diameter of the aorta and angles of the coronary arteries. The proposed method automatically computes the geometry of aorta and left and right coronary arteries. The geometry is computed by logically dividing the aorta, calculating the centerline and extracting the features of aorta and coronary arteries. The method has been tested on different 3D CT/MR image data. The results of the proposed method are tested on different data sets to check its accuracy. The results show more accuracy and less computation time on noisy image data as compared to the already developed method. The obtained results are visualized and compared using visualization toolkit (VTK).
Highlights
Oxygenated blood is supplied to the human body through a main artery called Aorta
We propose an approach for calculating geometric parameters such as length, diameter of the aorta and angles of the coronary arteries
We have developed a novel algorithm for calculating geometric parameters of aorta and coronary arteries from 3D MR/CT images
Summary
Oxygenated blood is supplied to the human body through a main artery called Aorta. It is further divided into left and right coronary arteries. These arteries supply blood to the entire heart muscles. Heart attack and stroke are common results of building-up of plaques and blood clots in arteries. These plaques and clots can block blood flow to heart muscles which may cause death. Aortic stenosis and aneurysm are the most common and most serious valve diseases. Aorta becomes narrow which decreases blood flow in coronary arteries. Aortic aneurysm is an abnormal condition in which aorta swell or bulge out due
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