Method and system for biometric recognition using unique...

G - Physics – 06 – K

Patent

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G06K 9/00 (2006.01)

Patent

CA 2308381

The present invention is a biometric recognition method and system for identifying humans and animals with acoustic scanning techniques. The invention is based upon transmitting acoustic energy through an external accessible surface (14) to non-visible internal tissue (16) having unique distinguishing characteristic. A master representative pattern of the unique distinguishing characteristic is produced by the interaction of an acoustic energy beam with discontinuities and inhomogeneities within the non-visible internal tissue (16). The master representative pattern is used for reference and compared to a current representative pattern formed upon each attempted reentry into the system.

L'invention concerne un procédé et un système de reconnaissance biométrique permettant d'identifier des personnes et des animaux avec des techniques de balayage acoustique. L'invention se fonde sur l'envoi d'énergie acoustique par une surface (14) accessible depuis l'extérieur jusqu'à des tissus (16) internes non visibles ayant une caractéristique distinctive unique. Une structure représentative type de la caractéristique distinctive unique est produite par l'interaction d'un faisceau d'énergie acoustique avec les discontinuités et les non-homogénéités existant dans les tissus (16) internes non visibles. La structure représentative type sert de référence et elle est comparée à une structure représentative courante formée à chaque tentative de réentrée dans le système.

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