Method for signature verification

Details Method for signature verification Method for signature verification

G - Physics

06

K

G06K 9/72 (2006.01) G06K 9/00 (2006.01) G07C 9/00 (2006.01)

Patent

CA 2066961

A method and apparatus are described for verifying handwritten, human signatures, and for permitting access to a system if such a signature is accepted. In an initializing stage, an authorized entrant submits a sample of multiple signatures (110). A first reference signature is selected from the sample (150), and a second reference signature is constructed by averaging over the sample (180). When a subsequent, prospective entrant submits a signature, a dynamic mismatch is calculated with respect to the first reference signature (220), and a shape mismatch is calculated with respect to the second reference signature (240). The signature is accepted if it satisfies a predetermined criterion that refers to the dynamic and shape mismatch values (250, 260).

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