Criteria for selecting the Paganin-filter reconstruction parameter in X-ray phase-contrast tomography

Miqueles, E.X.; de Oliveira, E.L.; Carvalho, M.; Paganin, D.M.

doi:10.1107/S1600577526001694

Journal of Synchrotron Radiation Journal of
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Figure 5
Curves {f, g} defined in equations (9)

and (11)

[for samples (a), (b) and (c)], evaluated over log-spaced grids of $[\ell\in[0,\ell_{r_{\min}}]]$ . Column (1) shows f(ℓ) and column (2) shows g(ℓ). The maximum of f and the minimum of g yield the near-optimal values ℓ_std and ℓ_corr, respectively.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 3| May 2026| Pages 746-758

https://doi.org/10.1107/S1600577526001694

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