Method and system for inspecting surfaces

Details Method and system for inspecting surfaces Method and system for inspecting surfaces

G - Physics

01

N

G01N 21/95 (2006.01) G01B 11/24 (2006.01) G01B 11/30 (2006.01)

Patent

CA 2554639

The present invention relates to a method for inspecting the surfaces of a three-dimensional body (2), with which at least one camera and at least one illuminating device are moved relative to the surface of the object, pictures are taken of the areas of the surface to be inspected during the movement of the camera relative to the surface, and the pictures are transmitted to a computer (11) and are evaluated therein. The invention also relates to a corresponding system. In order to obtain high inspection quality, the camera, illumination device and the surface are brought into a defined geometric relationship with each other during the inspection of each area to be inspected on the surface, at least for the period of time required to take a picture.

L'invention concerne un procédé pour contrôler des surfaces d'un élément (2) tridimensionnel. Selon ce procédé, au moins une caméra et au moins un dispositif d'éclairage sont déplacés relativement à la surface, des photographies des zones de la surface à contrôler étant réalisées lors du déplacement de la caméra relativement à la surface, puis transmises à un ordinateur (11) pour être analysées. La présente invention porte également sur un système correspondant. Afin d'obtenir une qualité de contrôle élevée, la caméra, le dispositif d'éclairage et la surface, pendant le contrôle et pour chaque zone de la surface à contrôler, sont placés en au moins une relation géométrique définie, au moins pour la durée d'une prise de vue.

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