Automated system for fingerprint authentication using pores and ridge structure

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Abstract
A novel technique for automated fingerprint authentication is presented which utilizes pore information extracted from live scanned images. The position of the pores on the fingerprint ridges is known to provide information that is unique to an individual and is sufficient for use in identification. By combining the use of ridge and pore features, we have developed a unique multilevel verification/identification technique that possesses advantages over systems employing ridge information only. An optical/electronic sensor capable of providing a high resolution fingerprint image is required for extraction of pertinent pore information, which makes it unlikely that electronically scanned inked fingerprints would contain adequate pore data that is sufficient, or consistent enough, for use in authentication. The feasibility of this technique has been demonstrated by a working system that was designed to provide secure access to a computer. Low false reject and zero false accept error rates have been observed based on initial testing of the prototype verification system.

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