Personal choice biometric signature

Details Personal choice biometric signature Personal choice biometric signature

2006-04-25

2006-04-25

Ahmed, Samir (Department: 2623)

Image analysis

Applications

Personnel identification

C340S005830, C902S003000

Reexamination Certificate

active

07035443

ABSTRACT:
A biometric method and system for personal authentication using sequences of partial fingerprint signatures provides a high security capability to various processes requiring positive identification of individuals. This approach is further enhanced by employing a frequency domain technique for calculating a Similarity Index of the partial fingerprint signatures. In a baseline usage, the sequential partial fingerprint sequence techniques augments sentinel systems for gaining access to restricted areas, and when used in combination with financial cards, offer a unique and greatly simplified means for authenticating or identifying individuals. A highly automated technique initially obtains a reference set of linear partial fingerprint signatures which serve as reference data against which later proffered candidate data in the form of at least two linear partial fingerprint signatures are compared for authentication. The particular two candidate signatures used and the sequence in which they are submitted are selected with the user's consent and serve as a PIN-like unique personal code. In an advanced embodiment, a pair of proximity sensors located along each of the linear tracks used for developing the linear partial signatures produce finger sensing signals which compensate for finger movement speeds and hence significantly improves the calculated Similarity Index values. The use of only partial fingerprint data greatly allays the concerns of widespread fingerprint dissemination by many individuals.

REFERENCES:
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patent: 6393139 (2002-05-01), Lin et al.
patent: 6459804 (2002-10-01), Mainguet
patent: 6483932 (2002-11-01), Martinez et al.
patent: 2003/0123714 (2003-07-01), O'Gorman et al.

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