Chapter . Accurate 3D modelling for automated inspection: A stereo vision approach

A. Bhatti[a], [b] and S. Nahavandi[b]

Abstract

A vision based approach for calculating accurate 3D models of the objects is presented. The strength of the work lies on multi-resolution based matching algorithm. The depth and dimensional accuracy of the produced 3D depth model lies on the existing reference model instead of the information such as laser signatures or different light pattern projections from extra hardware tools. It is a software based approach of finding accurate depth with minimal hardware involvement. The matching process uses the well-known coarse to fine strategy, involving the calculation of matching points at the coarsest level with consequent ...

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