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

Published 11 Apr 2023 in math.AP | (2304.05320v1)

Abstract: 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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Yiran Wang

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