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Reduction of metal streak artifacts in X-ray computed tomography using a transmission maximum a posteriori algorithm

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5 Author(s)
De Man, B. ; Med. Image Comput., Katholieke Univ., Leuven, Belgium ; Nuyts, J. ; Dupont, P. ; Marchal, G.
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A maximum a posteriori algorithm for reduction of metal streak artifacts in X-ray computed tomography is presented. The algorithm uses a Markov random field smoothness prior and applies increased sampling in the reconstructed image. Good results are obtained for simulations and phantom measurements: streak artifacts are reduced while small, line-shaped details are preserved

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Nuclear Science, IEEE Transactions on  (Volume:47 ,  Issue: 3 )