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Figure 3
Visualization of the X-ray CT data. (a) A view of the BaCarb1 subvolume. (b) A representative tomography slice of the olivine polycrystals impregnated by BaCO3 (bright areas). (c) A histogram of greyscale values of the 1100 µm × 1100 µm × 325 µm subvolume within the polycrystalline matrix [see squared area in panel (b)]. Representative greyscale values of `olivine' and `carbonate' are indicated. Values between 0 and 100 correspond to the sample environment and are thus not represented in the subvolume. (d) Segmented carbonate blobs after hysteresis thresholding. The position and shape properties of each entity are computed. (e) Only coloured entities are studied.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 5| September 2021| Pages 1598-1609
https://doi.org/10.1107/S1600577521007049
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