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Double Noise Filtering in CT: Pre- and Post-Reconstruction
(2015 28th Sibgrapi Conference On Graphics, Patterns And Images, 2015-01-01) [Trabalho apresentado em evento]
Motivated by the ALARA (As Low As Reasonably Achievable) principle, this paper proposes to denoise Computed Tomography (CT) images by using a double-filtering approach. First, projection data were filtered using methods ...