9. The method as in claim 6 wherein the face of the individual in the captured images is normalized based on the spatial disparity between two or more facial reference features of the individual.
9. The method as in claim 6 wherein the face of the individual in the captured images is normalized based on the spatial disparity between two or more facial reference features of the individual. 10. The method as in claim 9 wherein the captured images of the individual are normalized based on the spatial disparity between corresponding features of both eyes of the individual.