... K)fx y x x bii i() ( ,())=+∑αφ φ1 Support Vector and Kernel Methods for Pattern Recognition www .support- vector. netA Little History! Support Vector Machines (SVM) introduced in COLT-92 ... (gaussian kernels)17www .support- vector. netMaking kernels!From kernels (see closure properties):can obtain complex kernels by combining simpler ones according to specific ruleswww .support- vector. netClosure ... kernel ),(),(),(),(2),(2),(),(exp),(),(exp),()),((),(1112111211zzKxxKzxKzxKzxKzzKxxKzxKzxKzxKczxKzxKd=−+−==+=σσwww .support- vector. netMaking kernels !From features: start from the features, then obtain the kernel. Example: the polynomial kernel, the string kernel, …19www .support- vector. netLearning...