Prior boundary-fused brain tumor segmentation method
A brain tumor and boundary technology, which is applied in the field of medical image processing, can solve the problems of rough segmentation of brain tumors with global image information, and achieve the effect of improving comprehensiveness.
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[0048] specific implementation plan
[0049] The present invention will be further described below.
[0050] refer to Figure 1 ~ Figure 4 , a brain tumor segmentation method incorporating prior boundaries, comprising the following steps:
[0051] Step 1: A method for extracting the prior boundary features of brain tumors (Extract the Boundary, EB), the process is as follows:
[0052] Corrode the existing tumor true value, subtract the corroded true value from the original tumor true value, and obtain the tumor border; randomly select N points on these borders, fill the space surrounded by the points, and calculate the distance between the point surrounding space and the true value Similarity: Repeat the operation multiple times, and finally use the point with the highest similarity between the filling space and the true value as the optimal boundary point, and connect the optimal boundary points in turn to form the optimal boundary;
[0053] Step 2: The optimal boundary ge...
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