Ring artifact reduction via multiscale nonlocal collaborative filtering of spatially correlated noise

Mäkinen, Y.; Marchesini, S.; Foi, A.

doi:10.1107/S1600577521001910

Journal of Synchrotron Radiation Journal of
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Figure 6
Multiscale denoising of Fly. Left: the noisy sinogram Z. Center and right: three scales of the multiscale denoising process, each showing Z_k, Z^*_k, and $[\hat{Y}_{k}]$ . The full-size estimate $[\hat{Y}]$ is displayed in Fig. 12

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 28| Part 3| May 2021| Pages 876-888

https://doi.org/10.1107/S1600577521001910

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