A method for extracting coronary artery centerline
A coronary artery and centerline technology, applied in the field of medical blood vessel image processing, can solve the problems of error-prone centerline extraction, poor over-effect at bifurcation points, inaccurate centerline, etc., to improve diagnostic efficiency, ensure uniformity, Guaranteed effect of accuracy
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[0039] Example: refer to Figures 1 to 3 As shown, a method for extracting the centerline of the coronary artery comprises the following steps:
[0040] Step S1: input the data of coronary tree and aorta;
[0041] Step S2: According to the coronary tree and aorta data in step S1, the intersection part is obtained from the overlapping part of the data, and its centroid M is obtained. The three-dimensional coordinate formula of the centroid M is:
[0042]
[0043] where m i is the coordinate point (x i ,y i ,z i ) at the gray value;
[0044] Then, with the centroid M as the starting point, the coronary tree data is gradually traversed to the end of each branch vessel in the way of nibbling, and the end points of all branch vessels are obtained. The specific method for obtaining the end points of all branch vessels is as follows:
[0045] Step A: Set the list List to represent the collection of the end points of all branch vessels, the list ListA to represent the center ...
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