Method and device for reducing smear in a rolled fingerprint...

Details Method and device for reducing smear in a rolled fingerprint... Method and device for reducing smear in a rolled fingerprint...

G - Physics

06

K

G06K 9/60 (2006.01) G06K 9/00 (2006.01) G06K 9/74 (2006.01)

Patent

CA 2252803

A fingerprint image capture system (28) reduces tip smear by ceasing to update a data array characteristic (44) of the rolled fingerprint image behind an advancing freeze column at least about half way from the trailing edge to the leading edge of a finger contact strip.

Un système (28) de saisie d'image d'empreinte digitale réduit la marbrure des extrémités en stoppant la mise à jour d'une caractéristique (44) de réseau de données de l'image d'empreinte digitale derrière une colonne de prise mobile au moins à la moitié du parcours entre le bord arrière et le bord avant d'un ruban de contact pour le doigt.

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