1. A method for acquiring biometric information comprising the steps of: acquiring a plurality of frames of data representing a sampled output of a swipe fingerprint sensor; assembling said plurality of frames to form an image of a fingerprint; selecting a portion of said image of a fingerprint having the core of said fingerprint; comparing said core portion of said image of a fingerprint to a template using a correlation filter; and determining if said core portion of said image of a fingerprint matches said template.