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Streak artifacts from non-convex metal objects in X-ray tomography

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arxiv 2002.12210 v2 pith:J36HFC4R submitted 2020-02-27 math.AP

Streak artifacts from non-convex metal objects in X-ray tomography

Yiran Wang , Yuzhou Zou This is my paper
classification math.AP
keywords artifactsmetalobjectsnon-convexstreaktomographyx-rayanalyze
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We study artifacts in the reconstruction of X-ray tomography due to nonlinear effects. For non-convex metal objects, we analyze the new phenomena of streak artifacts from inflection points on the boundary of metal objects. We characterize the location and strength of all possible artifacts using notions of conormal distributions associated with the proper geometry.

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