Table 1.

The primal and dual formulations of the TC-SVM, the OC-SVM and the proposed OP-SVM

	TC-SVM	OC-SVM	OP-SVM
(P)
(D)

D, dual; P, primal; OC-SVM, one-class support vector machine; OP-SVM one-plus-class support vector machine; TC-SVM, two-class support vector machine.