1. One or more tangible non-transitory computer-readable memories storing an authentication database, the authentication database comprising a lookup table including a lookup table entry based on characteristics of a plurality of lines defined in relation to a first feature location of a plurality of feature locations extracted from a first biometric information sample and each other location of the plurality of feature locations, wherein the plurality of lines defines a plurality of rotations, such that the authentication database is configured for use by a computer to determine a rotation of a second biometric information sample using one or more entries from the lookup table and create a graph for at least some of the plurality of rotations defined by the plurality of lines.