Extraction method of main blood vessels from abdominal CT images based on watershed of three-dimensional region
A CT image, three-dimensional area technology, applied in the field of medical image processing and clinical applications, can solve the problems of large time complexity, reduce computational complexity, long time, etc., and achieve the effect of improving reliability and avoiding time complexity.
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[0025] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0026] Step 1: Obtain the abdominal three-dimensional data volume D from a set of abdominal CT images;
[0027] Input a set of abdominal CT images from Beijing Cancer Hospital, 64-slice spiral CT (GE Lightspeed 64), arrange these images according to the imaging sequence, obtain the abdominal three-dimensional data volume D, and generate a new three-dimensional data with the same size as D Body Y.
[0028] The imaging sequence is a parameter recorded by the device during the contrast imaging process, and can be obtained directly from the parameter list of the CT image.
[0029] Step 2: Extract the main blood vessels and connected organs D1 from the abdominal CT image;
[0030] refer to figure 2 , the step is implemented as follows:
[0031] 2a. Designate a point in the abdominal three-dimensional data volume D as the reference point of the blood vessel area. The selecti...
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