1. A method for processing an image of a biometric comprising: applying a gradient edge detection process, using a gradient edge detector, to detect structural features in a biometric based on data representing an image of at least a portion of the biometric; and forming a model, using a modeler, of the image as a function of the detected structural features wherein forming a model of the image includes modeling at least one region of the image of the at least one portion of the biometric.