Structured light 3D free form recovering with sub-pixel precisionReportar como inadecuado




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1 LSC - Laboratoire Systèmes Complexes

Abstract : This paper deals with the 3D Free form object pose recovering problem that is present in several industrial applications, such as online quality control in production as well as image systems for assembly-welding, augmented reality and robotics. The method presented here uses a structured light based vision system to reconstruct several accurate local 3D patches of the objects. A robust subpixel method for image features detection has been developed in order to increase 3D reconstruction accuracy. The Curvature method is then used to compute a geometric invariant -footprint- to discriminate reconstructed patches, which allows to match them with the object-s model. Pose recovering is performed by using the prediction - verification hypotheses paradigm. Some experimental results are given to show the efficiency of the proposed solution when applied to a complex free form object.

Keywords : recognition by indexation Geometric Invariant Matching 3D recovery Free form object structured light sub-pixel detection





Autor: Fakhr-Eddine Ababsa - David Roussel - Malik Mallem -

Fuente: https://hal.archives-ouvertes.fr/



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