1. A method for use in creating a template for automated validation of media items, the method comprising: receiving images of multiple media items of similar type, each of the images belonging to one of multiple classes associated with media items of that type; using the images to creates a single segmentation map that represents media items belonging to all of the multiple classes; using the images and the segmentation map to create multiple one-class classifiers, where each of the one-class classifiers is associated with one of the multiple classes; and defining the template to include the segmentation map and the multiple one-class classifiers.