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Figure 11
Pixel orientations and results of DBSCAN clustering for sample WG102, plotted in inverse pole figure space relative to the z axis. Inverse pole density for quartz (a) and aluminium (b) pixels. MRD: multiple of a random (uniform) distribution. Scatter plot of pixel orientations colored by grain label, for quartz (c) and aluminium (d). Each color corresponds to a cluster identified by the DBSCAN algorithm and matches with the grain colors in Fig. 10[link]. For quartz, most of the orientation clusters visible in the inverse pole figure were identified correctly. For aluminium, the lack of well defined orientation clusters resulted in poor outcomes for grain mapping.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 6| December 2024| Pages 1823-1840
https://doi.org/10.1107/S1600576724009634
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