Positive patient identification

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/117 (2006.01) G06K 9/00 (2006.01)

Patent

CA 2520099

A process and an enabling system and associated devices are directed to automatically and positively identifying a person based upon a matching comparison between a stored, historical iris recognition-based record and a contemporaneously obtained record. The algorithm involves identifying anchor features in selected regions of an iris image and mapping an iris pattern associated with the anchor features into a topologically consistent flat analysis space. Analysis according to the invention generates historical (reference) and contemporaneous Iris Feature Vectors for individuals upon which matching comparisons can be made to positively identify an individual from the reference base.

Un procédé, un système d'activation et des dispositifs associés sont utilisés pour l'identification positive et automatique d'une personne en fonction d'une comparaison par appariement d'un document historique mémorisé basé sur l'identification par l'iris et un enregistrement contemporain. L'algorithme implique l'identification de caractéristiques d'ancrage dans des zones sélectionnées d'une image de l'iris et le mappage d'un modèle de l'iris associé aux caractéristiques d'ancrage dans un espace d'analyse plat cohérent au plan topologique. L'analyse de l'invention génère des vecteurs caractéristiques de l'iris (de référence) historiques et contemporains pour des personnes au sujet desquelles des comparaisons par appariement peuvent s'effectuer en vue de leur identification positive partir de la base de référence.

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