Liver subsection method based on CT image and system thereof
A technology of liver segmentation and liver, which is applied in the field of liver segmentation method and its system, can solve the problems of inability to quickly and conveniently correct the grading results, segmentation errors, and inability to perform interactive operations, etc., to achieve easy modification, convenient grading, and improved results Effect
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[0048] The invention is a complete liver segmentation method for MSCTP sequence images. The liver segmentation of the present invention is divided according to the areas to which different branches of the portal vein belong, and the liver segmentation mainly includes five parts: liver segmentation, blood vessel segmentation and thinning, blood vessel classification, liver segmentation and three-dimensional reconstruction.
[0049] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples.
[0050] Such as figure 1 Shown, the inventive method comprises the following steps:
[0051] (1) Load the portal venous phase and arterial phase sequence images of abdominal MSCTP, and automatically segment the liver. The flow chart is as follows image 3 As shown, the specific steps are as follows:
[0052] (1.1) Preprocessing. The sequence images of the portal venous phase and the arterial phase...
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