Liver image segregation method based on hierarchy vessel tree division
A liver segmentation and vascular tree technology, applied in image analysis, image data processing, instruments, etc., can solve the problems of large amount of calculation, parameter adaptive adjustment, influence, etc., to reduce the risk of surgery, strong robustness, The effect of good grading
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[0018] Example 1: Refer to the attached drawings, in figure 1 A flow chart of the method of the present invention is given in, and a set of embodiments are given according to the illustrated flow. This method first uses a directed tree G=(V, E) to represent the topological structure of the hepatic portal vein vessels, and then according to the spatial distribution of the hepatic portal vein vessels in the specific case images and the average branch radius information, the vessel classification parameters are determined and the hierarchical vessel tree is constructed T 1 And T 2 , Mark the secondary subtree set T that supplies the liver ’ , Divide the marked secondary subtree into eight types according to the blood supply area ’ ={C 0 ,...,C 8 }, and then use the shortest distance algorithm to divide the liver into eight liver segments L={L 0 ,...,L 8 } And perform interpretation and visualization.
[0019] in figure 2 In the illustrated embodiment, figure 2 (a) is the liver ...
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