Method for automatically segmenting chest anterior mediastinal focus based on CT image
A CT image and automatic segmentation technology, applied in the field of medical image processing, can solve the problem of low incidence of anterior mediastinal lesions, and achieve the effect of optimizing the lesion segmentation edge, reducing the complexity and improving the segmentation accuracy.
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[0016] Such as image 3 As shown, this method for automatic segmentation of chest anterior mediastinal lesions based on CT images comprises the following steps:
[0017] (1) CT image acquisition: All patients underwent enhanced chest CT scans to obtain thin-layer images reconstructed in the chest mediastinum window;
[0018] (2) Using the natural density difference between the lung and the surrounding tissue on the original CT image, the method of calculating the pixel value of the lung tissue is used to design a double-lung mask file to remove areas other than the mediastinum and retain lesions;
[0019] (3) Use the V_Net network to initially segment the lesion (Initial Segmentation);
[0020] (4) Using the Morphological Snakes algorithm to finely segment the lesion (AccurateSegmentation);
[0021] (5) Evaluate the segmentation results.
[0022] First, based on the original CT image, the present invention adopts the method of calculating lung tissue pixel values to desig...
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