12 May 2016 Impact of detector geometry for compressive fan beam snapshot coherent scatter imaging
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Abstract
Previous realizations of coded-aperture X-ray diffraction tomography (XRDT) techniques based on pencil beams image one line through an object via a single measurement but require raster scanning the object in multiple dimensions. Fan beam approaches are able to image the spatial extent of the object while retaining the ability to do material identification. Building on these approaches we present our system concept and geometry of combining a fan beam with energy sensitive/photon counting detectors and a coded aperture to capture both spatial and spectral information about an object at each voxel. Using our system we image slices via snapshot measurements for four different detector configurations and compare their results.
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Mehadi Hassan, Mehadi Hassan, Andrew Holmgren, Andrew Holmgren, Joel A. Greenberg, Joel A. Greenberg, Ikenna Odinaka, Ikenna Odinaka, David Brady, David Brady, "Impact of detector geometry for compressive fan beam snapshot coherent scatter imaging", Proc. SPIE 9847, Anomaly Detection and Imaging with X-Rays (ADIX), 98470X (12 May 2016); doi: 10.1117/12.2224797; https://doi.org/10.1117/12.2224797
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