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Metal artifact reduction in x-ray computed tomography: Inpainting versus missing value

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5 Author(s)
Heil, U. ; Dept. of Design, Comput. Sci. & Media, Univ. of Appl. Sci., Bielefeld, Germany ; Gross, D. ; Schulze, R. ; Schwanecke, U.
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A comparison of algorithms for reduction of metal artifacts in x-ray cone beam computed tomography (CBCT) is presented. In the context of algebraic reconstruction techniques (ART) several inpainting algorithms in the image domain are evaluated against missing data strategies. A GPU-based iterative framework is employed for a meaningful comparison of both. Simulation results from an extended Shepp-Logan phantom and real world dental data are given.

Published in:

Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE

Date of Conference:

23-29 Oct. 2011