Construction method and device as well as sorting method and device for support vector machine sorter
A technology of support vector machine and construction method, which is applied to instruments, computer parts, DNA computers, etc., and can solve the problems of unable to realize the original space feature selection of samples, large amount of calculation, unable to realize original space feature selection, etc.
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[0099] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0100]After analyzing the experimental source codes in L2-SVM, L1-SVM and L0-SVM classification algorithms, the inventor found that each regularized SVM classifier with feature selection function is a linear classifier, not a nonlinear kernel SVM classifier , the weight vector w obtained by each regularized SVM classification algorithm training is not a sparse vector, that is, the magnitude of each component of w is basically the same. General feature selection needs to rely on artificially retaining the d components with the largest median value in w, and setting the remaining components to ze...
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