How can i create a SVM in the case of multiclass classification?

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Fabrizio Lepori
Fabrizio Lepori 2021-2-11
回答： Madhav Thakker 2021-2-14
Hi,
I wrote a code for the identification of digits, now i need to create a svm classifier, but in my case i have more than two classes, in fact i have 10. I have to use the one vs one approach, and if i understood the method correctly i need to train N(N-1)/2 (in my case 45) classifiers to discriminate each pair and then tale the classifier which got more votes. How can i do that? Thanks

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回答（1 个）

Madhav Thakker
Madhav Thakker 2021-2-14
Hi Fabrizio,
This question should give you a basic idea how to do multiclass classiifcation using one-vs-one SVMs. https://in.mathworks.com/matlabcentral/answers/259582-one-vs-one-svm-multiclass-classification-matlab-code
You can also have a look at Multiclass model for support vector machines (SVMs) and other classifiers.
Hope this helps.

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