Pulmonary nodule benign and malignant identification method based on support vector machine sample reduction
A support vector machine and pulmonary nodule technology, applied in computer parts, character and pattern recognition, instruments, etc., can solve problems such as large space storage requirements, limited application effects, and slow training speed
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[0048] The detailed structure of the present invention is illustrated in conjunction with examples.
[0049] A method for distinguishing between benign and malignant pulmonary nodules based on support vector machine sample reduction, the specific steps are as follows: Figure 1 to Figure 5 as shown in figure 1 As shown, it is the support vector machine classification diagram of benign and malignant pulmonary nodules in the case of two-dimensional linear separability. The positive sample is benign pulmonary nodules, and the point on the right side of l represents the negative sample (malignant pulmonary nodules) is determined only with the straight line l 1 , l 2 (l 2 is the support vector line of benign pulmonary nodules, l 1 These sample points are called support vectors, and are related to most other sample points, namely l 1 , l 2 The sample points behind the line are irrelevant.
[0050] Step 1: Collect the original sample set S of benign and malignant pulmonary nod...
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