3. The method of claim 1 , wherein the at least one classifier comprises a plurality of respective classifiers, the plurality of respective classifiers including the first respective classifier that operates on the first respective plurality of classification features.
3. The method of claim 1 , wherein the at least one classifier comprises a plurality of respective classifiers, the plurality of respective classifiers including the first respective classifier that operates on the first respective plurality of classification features. 4. The method of claim 3 , wherein the plurality of respective classifiers includes at least two respective classifiers that operate on respective pluralities of classification features.