G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 11/245 (2006.01) G01B 11/24 (2006.01)
Patent
CA 2370156
The invention relates to a method for optically detecting the shape of at least one three-dimensional object (1) comprising the following steps: a) positioning of the object (1) of at least one light source (2) and of at least one camera (3) in a number of positions, in three dimensions, b) detection of the respective position of the object (Gi), of the light source (Li) and of the camera (Ki), c) illumination of the object (1) by the light source (2) in the positions (Gi, Li, Ki), d) recording of images (4) of the object (1) in the positions (Gi, Li, Ki), e) determination of the surface normals (5) to the object (1) from the positions (Gi, Li, Ki) and from the images (4), f) allocation of corresponding image points (6) in the images (4) by means of the surface normals (5), g) determination of the three-dimensional shape of the object (1) from the positions (Gi, Li, Ki), from the surface normals (5) and from corresponding image points (6).
L'invention concerne un procédé de saisie optique des formes d'au moins un objet (1) tridimensionnel, comportant les étapes suivantes: a) disposition de l'objet (1), d'au moins une source lumineuse (2) et d'au moins une caméra (3) dans l'espace, en plusieurs emplacements; b) acquisition de l'emplacement respectif de l'objet (Gi), de la source lumineuse (Li) et de la caméra (Ki); c) éclairage de l'objet (1) au moyen de la source lumineuse (2), aux emplacements (Gi, Li, Ki); d) prise de vues (4) de l'objet (1) aux emplacements (Gi, Li, Ki); e) détermination de la normale (5) à la surface de l'objet (1), à partir des emplacements (Gi, Li, Ki) et des vues (4); f) affectation des points d'image (6) correspondants dans les vues (4), à l'aide de la normale (5) à la surface; g) détermination de la forme tridimensionnelle de l'objet (1) à partir des emplacements (Gi, Li, Ki), de la normale (5) à la surface et de points d'image (6) correspondants.
Ridout & Maybee Llp
Wagner Christoph
LandOfFree
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