A SVDD Method Based on Maximum Distance between Two Centers of Spheres

On the base of the method of Support vec- tor data description (SVDD), this paper proposes a SVDD method based on maximum distance between two centers of spheres. It applies two hyperspheres to separate two kinds of training instance and maximize distance between two centers of hyperspheres at the same time. Experimen- tal results show that the method is effective, especially for unbalance problem, our method can get better results than all other methods.