In situ propagation-based lung computed tomography for large animal models

D'Amico, L.; Costello, L.; Nesterets, Y.; Donnelley, M.; Gureyev, T.; Maksimenko, A.; Beck, C.; Ahlers, J.; Smith, R.; How, Y.Y.; Parsons, D.; Hall, C.; Hausermann, D.; Cameron, M.; Klein, M.; Kitchen, M.; Tromba, G.; Dullin, C.; Morgan, K.

doi:10.1107/S160057752500832X

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Figure 2
Pre-processing results. (a)–(b) Reconstructed 2D slice without and with, respectively, the in-painting and the ring removal pre-processing, for 50 keV illumination with 7 m propagation distance. Two magnifications of the same regions are also displayed. (c), (d), (e) Reconstructions with multiple δ/β ratios: half the value calculated with xraylib (835), the value calculated (1670) and double the value (3340), respectively. The line profiles show the edge enhancement in (c) with the two red arrows indicating the residual phase effects, a correct profile in (d), and an over-smoothed profile in (e).

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 32| Part 6| November 2025| Pages 1511-1522

https://doi.org/10.1107/S160057752500832X

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