L. A. Pereira, Andrei Dabravolski, Ing Ren Tsang, George D. C. Cavalcanti, Jan Sijbers
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Conveyor Belt X-ray CT Using Domain Constrained Discrete Tomography
This paper presents a reconstruction method for a conveyor belt X-ray scanning geometry, consisting of a static X-ray source/detector system and an object in uniform motion. Applying conventional reconstruction methods to data acquired in this geometry leads to severe artefacts. We show that by incorporating prior knowledge of the material as well as domain specific knowledge, such artefacts can be largely reduced. This is done by combining concepts of discrete tomography with the expected object domain.
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