Ring artifacts correction in compressed sensing tomographic reconstruction

Paleo, P.; Mirone, A.

doi:10.1107/S1600577515010176

Journal of Synchrotron Radiation Journal of
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Figure 7
Syntactic foam sample tomography acquired at ESRF ID19, with energy of 19 keV and pixel size of 0.28 µm. (a) Filtered back-projection. (b) Correction with RCP technique, using the parameters W = 60 and $[\theta_{0}]$ = 60. (c) Reconstruction with Total Variation technique, using the parameters $[\beta]$ = 0.35 and $[\beta_{r}]$ = 1×10^-6. (d) Reconstruction with Dictionary Learning technique, using the parameters $[\beta_{r}]$ = 0.1, $[\beta_{{\rm {DL}}}]$ = 0.035 and $[\rho]$ = 20.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 22| Part 5| September 2015| Pages 1268-1278

https://doi.org/10.1107/S1600577515010176

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