Computed tomography (CT) image and magnetic resonance (MR) image fusion method
A CT image and fusion method technology, applied in the field of fusion of CT images and MR images, can solve problems such as unsatisfactory effects, ignoring relative information, time-consuming, etc., and achieve the goal of maintaining edge and detail information, simple implementation process, and avoiding contrast Falling effect
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[0034] Reference attached figure 1 The fusion method of CT image and MR image of the present invention includes the following steps:
[0035] Step 1. Determine the background gray value of the image:
[0036] 1.1) Calculate the gray distribution of the input CT and MR images respectively, obtain the gray histogram, and find the gray value corresponding to the maximum peak-to-peak point in the gray histogram;
[0037] 1.2) Determine whether the gray value is equal to 0, if it is not equal to 0, the gray value of the peak point is used as the background gray value of the image; if the gray value is equal to 0, then the background value of another image As the background gray value;
[0038] Step 2: According to the background gray value, use the following formula to calculate the contrast value of each pixel in the CT and MR images:
[0039]
[0040] Step 3. Determine the mode of the contrast value of each image;
[0041] 3.1) Map C(x,y) to the interval [0,255] according to...
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