Brain part MRI image segmentation method
An image segmentation and brain technology, applied in the field of medical image processing, can solve the problems of initial value and noise interference sensitivity, segmentation speed and performance impact, easy to fall into local optimal solution, etc., to reduce troubles, improve image segmentation speed and The effect of precision
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[0042] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0043] A brain MRI image segmentation method, such as figure 1 shown, including the following steps:
[0044] Step 1: Obtain the grayscale image of the brain MRI image to be segmented;
[0045] Step 2: Use the gray values of different pixels in the brain MRI image as the cluster centers to form a cluster center set as particles, and use the particle swarm optimization algorithm to optimize the cluster center set;
[0046] Assuming that the gray level of the brain MRI image to be segmented is L, the gray value range of each pixel in the brain MRI image to be segmented is [0, L-1]; initialize the pixel points of the brain MRI image to be segmented The number of gray value clustering categories c, weight index m, particle swarm size N, learning factor c 1 、c 2 , the inertia weight ω max , ω min , the maximum number of itera...
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