The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2012
Filed:
Apr. 24, 2008
Lionel Martin, Peynier, FR;
Guillaume Petitjean, Aix en Provence, FR;
Stéphane Derrode, Marseilles, FR;
William Ketchantang, Chatous, FR;
Lionel Martin, Peynier, FR;
Guillaume Petitjean, Aix en Provence, FR;
Stéphane Derrode, Marseilles, FR;
William Ketchantang, Chatous, FR;
STMicroelectronics Rousset SAS, Rousset, FR;
Universite Paul Cezanne Aix Marseille III, Aix en Provence Cedex, FR;
Abstract
The present disclosure relates to a method for locating the iris in an image of an eye, comprising steps of locating the pupil in the image, of detecting positions of intensity steps of pixels located on a line passing through the pupil and transition zones between the iris and the cornea, on either side of the pupil, and of determining the center and the radius of a circle passing through the detected positions of the transitions.