Dynamic angle selection for few-view X-ray inspection of CAD based objects

Alice Presenti; Jan Sijbers; Jan De Beenhouwer

doi:10.1117/12.2534894

28 May 2019 Dynamic angle selection for few-view X-ray inspection of CAD based objects

Alice Presenti, Jan Sijbers, Jan De Beenhouwer

Proceedings Volume 11072, 15th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine; 110722V (2019) https://doi.org/10.1117/12.2534894
Event: Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 2019, Philadelphia, United States

Abstract

In conventional X-ray-CT inspection of objects generated from a computer-aided design (CAD) model, a 3D CT reconstruction of the object is compared with the reference CAD model. This is a cost inefficient and tedious procedure, unsuitable for inline inspection. In this work, we propose an inspection scheme based on a limited set of radiographs, which are dynamically acquired during the scanning procedure. An efficient framework is described to determine the optimal view angle acquisition from a given CAD model and to automatically estimate the object pose in 3D with a fast, iterative algorithm that dynamically steers the acquisition geometry to acquire the optimal set of projections. We demonstrate the principle of our method on simulated data.

Citation Download Citation

Alice Presenti, Jan Sijbers, and Jan De Beenhouwer "Dynamic angle selection for few-view X-ray inspection of CAD based objects", Proc. SPIE 11072, 15th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine, 110722V (28 May 2019); https://doi.org/10.1117/12.2534894

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