A medium having a plurality of value verification pattern classes

Automatic verification technique for media items, comprising: accessing a plurality of one-class classifiers template, wherein the plurality of classes each of the one-class classifier media items may belong in a category corresponding to, and each one-class classifiers to an image of the media item, thereby generating the plurality of classes in the result set for each class. Then, to analyze the result set for each media type, in order to assess whether the media item belongs to that class.