Patent ID: 7212658

Claim:
A method for acquiring and comparing biometric information, the method comprising: acquiring a plurality of frames of data representing a sampled output of a swipe fingerprint sensor, wherein said acquiring comprises determining a delay factor related to a detected finger motion; assembling said plurality of frames to form a fingerprint image, wherein said assembling comprises decimating at least one of said plurality of frames; verifying a quality of a core area of said fingerprint image by comparing a statistical feature of said fingerprint image to a statistical model, said statistical model being derived from a population of fingerprint images; if said assembled fingerprint image exhibits statistical features characteristic of sufficient quality, selecting a core portion of said fingerprint image having at least a portion of the core area of said fingerprint; comparing said core portion of said fingerprint image to a plurality of different templates, wherein each different template is formed from a composite of multiple cropped verified fingerprint images associated with a different person; and determining if said core portion of said fingerprint image matches a template.