Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf

1 Publication
Scatter analysis and correction for ultrafast X-ray tomography
Wagner, M.; Barthel, F.; Zalucky, J.; Bieberle, M.; Hampel, U.;
Ultrafast X-ray computed tomography (CT) is an imaging technique with high potential for the investigation of the hydrodynamics in multiphase flows. For correct determination of the phase distribution of such flows a high accuracy of the reconstructed image data is essential. In X-ray CT, radiation scatter may cause disturbing artefacts. Since the scattering is not considered in standard reconstruction algorithms, additional methods are necessary to correct the detector readings or to prevent the detection of scattered photons. In this paper, we present an analysis of the scattering background for the ultrafast X-ray CT imaging system ROFEX at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and propose a correction technique based on collimation and deterministic simulation of first-order scattering.
Keywords: X-ray tomography, scatter analysis, cupping artefacts

Publ.-Id: 21385 - Permalink