G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/72 (2006.01) G06F 7/04 (2006.01) G06K 9/00 (2006.01) G07C 9/00 (2006.01)
Patent
CA 2068814
- 18- METHOD AND APPARATUS FOR CONTROLLING A SYSTEM, USING SIGNATURE VERIFICATION Abstract Forged signatures are discriminated from authentic signatures in a verification process which relies on dynamic signature properties. In an initialization phase 010, a reference set of authentic signatures is obtained. A set of dynamical properties 140.1, 140.2, 140.3 of the reference signatures is computed numerically. The most characteristic subset of such properties is selected and statistically analyzed to obtain a set of parameters for signature verification. An entrant signature is subsequently accepted or rejected 160, 170 based on its conformity to the parameters. An accepted signature is optionally passed along to a higher-level verification process. When a signature is accepted by the highest-level verification process, responsive means 050 are activated, resulting in the entrant's access to a system.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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