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Figure 4
Retrieved phase images of the sponge phantom, reconstructed by the (a) standard speckle-tracking method and (c) deep-learning based method. (b) and (d) 3D contours of the phase distribution in (a) and (c), respectively. (e) Dark-field image reconstructed by the deep-learning based method. The scale bars in the right corners are 500 µm.

IUCrJ
Volume 11| Part 1| January 2024| Pages 73-81
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523010114