Deterministic segmentation of grains in dense Laue microdiffraction datasets

Bongiorno, S.; Micha, J.-S.; Tardif, S.; Eymery, J.

doi:10.1107/S1600576726007995

Figure 7
Result of the validation process for one grain. (a) Laue pattern isolated by the appearance map segmentation. (b) Laue pattern, corresponding to the same orientation, found at the center of the grain. (c) Binary image representing the grain shape as determined by the segmentation. The following panels illustrate the information obtained by indexing the pattern in the dataset, given the orientation. (d) Map of the number of indexed peaks. (e) Mean deviation between the experimental and theoretical peak positions, in pixel units. (f) Deviatoric strain map. Each panel reports the values of the deviatoric strain tensor components. The color bar shows the range of mean ± 3 standard deviations calculated for each deviatoric strain component, all in units of 10⁻⁴. The (x, y, z) axes are in the crystallographic frame, i.e. along the crystallographic axes a, b and c, respectively.

JOURNAL OF
APPLIED
CRYSTALLOGRAPHY

ISSN: 1600-5767

Volume 59| Part 5| October 2026| Pages 1584-1594

https://doi.org/10.1107/S1600576726007995

Open

access