An iterative image reconstruction algorithm combined with forward and backward diffusion filtering for in-line X-ray phase-contrast computed tomography

Zhao, Y.; Sun, M.; Ji, D.; Cong, C.; Lv, W.; Zhao, Q.; Qin, L.; Jian, J.; Chen, X.; Hu, C.

doi:10.1107/S1600577518009219

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Figure 7
Reconstructed images of rat maxilla sample using four reconstruction algorithms. The image reconstructed from the full projection dataset using the FBP algorithm is chosen as the reference image (a). The image reconstructed with the compensated 959-view projections using FBP (b), and images reconstructed with 192-view projection data using SART (c), SART-FAB4 (d) and SART-FAB8 (e) algorithms are shown. (f) Horizontal profiles of the same position [shown by the red line in (a), which crossed through an alveolar fossa] in (a)–(e). The two right-hand subgraphs in (a)–(e) are magnified images of the green rectangle regions and red rectangle regions in (a)–(e). Pixel values of the above grey-scale images were normalized to the range [0, 255]. The display window is [0, 200].

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 25| Part 5| September 2018| Pages 1450-1459

https://doi.org/10.1107/S1600577518009219

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