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Identification of nonlinear beam-hardening effects in X-ray tomography

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arxiv 2304.05320 v1 pith:5B4V7FVP submitted 2023-04-11 math.AP

Identification of nonlinear beam-hardening effects in X-ray tomography

Yiran Wang This is my paper
classification math.AP
keywords artifactsbeam-hardeningeffectsnonlineartomographyx-raybodiescaused
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We study streaking artifacts caused by beam-hardening effects in X-ray computed tomography (CT). The effect is known to be nonlinear. We show that the nonlinearity can be recovered from the observed artifacts for strictly convex bodies. The result provides a theoretical support for removal of the artifacts.

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