Registration of 3-d imaging of 3-d objects

G - Physics – 06 – T

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G06T 17/00 (2006.01) A61C 13/00 (2006.01)

Patent

CA 2615482

A three-dimensional-based modeling method and system designed for dentistry and related medical (and appropriate non-medical) applications. Data capture means produces a point cloud representing the three-dimensional surface of an object (e.g., dental arch). Three-dimensional recognition objects are provided, particularly within those areas in the image field that have low image definition, and particularly in such of . these areas that appear in overlapping portions of at least two images, to provide the three-dimensional image processing software with position, angulation, and orientation information sufficient to enable highly accurate combining (or "stitching") of adjoining and overlapping images. Alignment, and creation of aligned related objects or models thereof, such as maxillar and mandibular arches, is facilitated.

La présente invention concerne un procédé et un système de modélisation en trois dimensions conçus pour la dentisterie et des applications médicales associées (et non médicales appropriées). Un organe de capture de données produit un nuage de points représentants la surface en trois dimensions d'un objet (par exemple une arcade dentaire). Des objets de reconnaissance en trois dimensions sont fournis, particulièrement à l'intérieur des zones dans le champ de l'image qui possède une définition d'image faible, et en particulier dans les zones qui apparaissent dans des parties chevauchantes d'au moins deux images, afin de fournir le logiciel de traitement d'image en trois dimensions avec qui des informations de position, d'angulation et d'orientation suffisante pour permettre une combinaison de haute précision (ou la reliure par piqures) d'images contiguës ou chevauchantes. L'alignement et la création d'objets associés alignés ou des modèles de ceux-ci, tels que des arcs maxillaires et mandibulaires en sont facilités.

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