Corneal biometry

A - Human Necessities – 61 – B

Patent

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A61B 3/107 (2006.01)

Patent

CA 2581570

The present invention relates broadly to a method for validating the identity of a person using corneal imaging techniques. The method involves capturing an image of a person's cornea where the cornea is divided into a grid or map (10). The method then involves deriving one or more geometric parameters from a plurality of points obtained from the grid or map (10). The geometric parameters are compared with corresponding reference geometric parameters of a database for validation of the identity of the person.

La présente invention concerne de façon générale un procédé de validation de l'identité d'une personne par des techniques d'imagerie cornéenne. Ce procédé comprend l'enregistrement d'une image de la cornée d'une personne, la cornée étant divisée en une grille ou une carte (10). Ce procédé consiste à dériver au moins un paramètre géométrique d'une pluralité de points obtenus dans la grille ou la carte (10). Pour valider l'identité de la personne, on compare les paramètres géométriques à des paramètres géométriques de référence correspondants d'une base de données.

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