Mehthod and device for measuring three-dimensional shapes

Details Mehthod and device for measuring three-dimensional shapes Mehthod and device for measuring three-dimensional shapes

G - Physics

01

B

G01B 11/25 (2006.01)

Patent

CA 2422263

A method and apparatus to digitize three-dimensional objects. A projection assembly is retained in fixed relation to an imaging assembly. The projection assembly projects a fixed gradient light pattern into a focal zone of the imaging assembly. The imaging assembly integrates the illumination over time such that the fixed gradient reveals the features of the three dimensional object. In one embodiment, depth detection is possible on a per pixel basis.

L'invention concerne un procédé et un dispositif destinés à numériser des objets tridimensionnels. Une unité de projection est maintenue fixe par rapport à une unité d'imagerie. Cette unité de projection permet de projeter un motif lumineux à gradient fixe dans une zone focale de l'unité d'imagerie. Ladite unité d'imagerie intègre progressivement l'éclairement de façon que le gradient fixe fournisse une indication sur les caractéristiques de l'objet tridimensionnel. Dans un mode de réalisation, on peut effectuer une détection en profondeur pixel par pixel.

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