A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 3/113 (2006.01) A61B 3/14 (2006.01) G02B 27/01 (2006.01) G02C 13/00 (2006.01)
Patent
CA 2682239
The invention generally relates to a method for taking a person's geometrico-morphological measurements and, more specifically, to a method for measuring the position of a remarkable point of the person's eye. The inventive method includes steps in which images are captured of a person in different relative postures (APIVl, APIV2, (01, X1, Y1, Z1), (02, X2, Y2, Z2)), reference points of the eye ((RCGI, RCDI), (RCG2, RCD2)) are identified and the remarkable point (CROD, CROG) is calculated as a function of the captured images. The values of the posture parameter (APIV) are obtained by placing a marker element (60, 70, 80, 700, 800) with at least one known geometric property on the person's head. Each captured image contains a representation of said marker element (60, 70, 80, 700, 800). The posture parameter is then calculated as a function of the images and the known geometric property.
La présente invention concerne de manière générale Ia prise de mesures géométricomorphologiques sur un sujet. Elle vise plus particulièrement un procède de mesure de Ia position d'un point remarquable de l'oeil du sujet. Le procédé comporte entre autres les étapes de captures d' images selon différentes postures relatives (APIVl,APIV2, (01,Xl,Yl, Zl ), (02,X2, Y2, Z2) ) d'un sujet, d'identification de points de référence de l'oeil ((RCGI,RCDI), (RCG2,RCD2)) et de calcul du point remarquable (CROD, CROG) en fonction des images capturées. Les valeurs des paramètre de posture (APIV) sont obtenues grâce à un éiément de repérage (60, 70, 80, 700, 800) ayant au moins une caractéristique géométrique connue disposé sur Ia, tête du sujet. Chaque image capturée contient une représentation de cet élément de repérage(60, 70, 80, 700, 800). Le. paramétre de posture est ainsi calculé en fonction des images et de Ia caractéristique géométrique connue.
Essilor International (compagnie Generale D'optique)
Goudreau Gage Dubuc
LandOfFree
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