2. The method of claim 1, wherein the exclusion threshold is cumulative and is determined by replacing an initial exclusion threshold with the final bound of each non-excluded template during the classification process of the input vector with the template vectors.
2. The method of claim 1, wherein the exclusion threshold is cumulative and is determined by replacing an initial exclusion threshold with the final bound of each non-excluded template during the classification process of the input vector with the template vectors. 3. The method of claim 2, wherein all of the retrieved templates are excluded during the classification process except for a single non-excluded template.