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. 2015 Jul 14;22(Pt 5):1268–1278. doi: 10.1107/S1600577515010176

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© Paleo and Mirone 2015

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Reconstruction of the third case phantom (Fig. 4a ▸) with 80 projections instead of 800. (a) Result of the reconstruction using the filtered back-projection. (b) Result of the reconstruction using the Dictionary Learning technique, without rings correction, with parameters = 0.05, = 10. (c) Result of the reconstruction using the Dictionary Learning with rings correction, with parameters = 0.05, = , = 10. (d) Result of the reconstruction using the Total Variation regularization with parameters = 1, = 0.05.

Inline graphic — Reconstruction of the third case phantom (Fig. 4a ▸) with 80 projections instead of 800. (a) Result of the reconstruction using the filtered back-projection. (b) Result of the reconstruction using the Dictionary Learning technique, without rings correction, with parameters = 0.05, = 10. (c) Result of the reconstruction using the Dictionary Learning with rings correction, with parameters = 0.05, = , = 10. (d) Result of the reconstruction using the Total Variation regularization with parameters = 1, = 0.05.