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Figure 8
Local versus non-local phase retrieval on the same ROI. Left: local (L2) solver (oversampling factor 2). Centre: non-local solver with oversampling factor 2, showing residual high-frequency noise. Right: non-local solver with oversampling factor 4, where this noise is strongly reduced. Scale bars: 5 mm in each panel.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 4| July 2026|
https://doi.org/10.1107/S1600577526004273
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