Probability density weighted geodesic distance-based brain MR image segmentation method
A technology of probability density and geodesic distance, which is applied in the field of image processing, can solve the problems of sensitivity, noise and uneven gray scale, and cannot obtain segmentation results, etc., and achieve the effect of reasonable gradient calculation, obvious contrast and good results
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[0025] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0026] The present invention provides a brain MR image segmentation method with probability density weighted geodesic distance, such as Figure 1-6 shown, including:
[0027] Step 1: Read in several simulated brain database images, perform histogram statistics on them, and obtain the sample values of the most concentrated distribution intervals of white matter, gray matter or cerebrospinal fluid;
[0028] In this step, the read-in simulated brain database image is a synthetic brain MR image in bmp format, and its gray value is read in.
[0029] Step 2: Randomly select an image from the simulated brain database image as the image to be processed, use the obtained sample value of the most concentrated distribution interval as prior knowledge to estimate...
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