A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/10 (2006.01) G01B 11/14 (2006.01)
Patent
CA 2382075
A method for determining one or more dimensions of an object in a two- dimensional image (25), wherein the image includes the iris (10) of a human being. A size ratio is estimated between the dimension of the object and the diameter (20) of the visible iris, by analyzing the two-dimensional picture. Then, the dimension of the object is approximated based upon the size ratio and also based upon the invariant iris diameter. Use is made of the fact that the diameter of a human iris is substantially identical for all humans above the age of two, and thus an image which includes someone's iris furnishes a measuring device for determining other dimensions in the image. The present invention is especially suited for examining, virtually trying on, and purchasing eyewear from a remote location.
Procédé servant à déterminer une ou plusieurs dimensions d'un objet dans une image à deux dimensions comprenant l'iris d'un être humain. On évalue un rapport dimensionnel entre la dimension de l'objet et le diamètre de l'iris visible par analyse de l'image à deux dimensions. On effectue ensuite une approximation de la dimension de l'objet en fonction du rapport dimensionnel et, également, du diamètre invariant de l'iris. On se base sur le fait que le diamètre de l'iris humain est pratiquement identique pour tous les êtres humains au-dessus de deux ans, et, de ce fait, une image contenant l'iris d'un individu met à disposition un dispositif de mesure servant à déterminer d'autres dimensions de l'image. L'invention est particulièrement appropriée pour examiner, essayer virtuellement et acheter des articles oculaires à distance.
Fay Pierre N.
Shanley Michael P.
Eyeweb Inc.
Robic
LandOfFree
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