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Figure 6
Direct comparison in the projection domain for a representative retrieved radiograph. Panel (a) shows the difference between a simple single-distance Paganin retrieval applied directly to the raw radiograph and the original EPR retrieved projection. Panel (b) shows the difference between the initial Paganin estimate used by the fast solver and the final fast retrieved projection. In each panel, the wide projection-difference image is split into left and right halves and these halves are stacked vertically for display, with a horizontal divider marking the join. Both panels are displayed with the same crop and the same grayscale range.

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