ArticleJournal of applied crystallography2022
Indexing of superimposed Laue diffraction patterns using a dictionary-branch-bound approach.
Article in Journal of applied crystallography, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Oblique Hand Radiograph as a Method to Measure Fifth Metacarpal Neck Fracture Angulation.Journal of hand surgery global online · 2027Article
- Deterministic segmentation of grains in dense Laue microdiffraction datasets.Journal of applied crystallography · 2026Article
- Article
- Physics-informed machine learning analysis for nanoscale grain mapping by synchrotron Laue microdiffraction.Journal of applied crystallography · 2025Article
- Laboratory three-dimensional X-ray micro-beam Laue diffraction.Journal of applied crystallography · 2025Article
- A critical step toward far-field laboratory diffraction contrast tomography in Laue focusing geometry.Journal of applied crystallography · 2025Article
- UpgradedJournal of applied crystallography · 2023Article
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Authors and funding
5 authors.
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Abstract
X-ray Laue diffraction is an important method for characterizing the local crystallographic orientation and elastic strain in polycrystalline materials. Existing analysis methods are designed mainly to index a single or a few Laue diffraction pattern(s) recorded in a detector image. In this work, a novel method called dictionary-branch-bound (DBB) is presented to determine the crystallographic orientations of multiple crystals simultaneously illuminated by a parallel X-ray incident beam, using only the spot positions in a detector image. DBB is validated for simulated X-ray Laue diffraction data. In the simulation, up to 100 crystals with random crystallographic orientations are simultaneously illuminated. Fake spots are randomly added to the detector image to test the robustness of DBB. Additionally, spots are randomly removed to test the resilience of DBB against true spots that are undetected due to background noise and/or spot overlap. Poisson noise is also added to test the sensitivity of DBB to less accurate positions of detected spots. In all cases except the most challenging one, a perfect indexing with a mean angular error below 0.08° is obtained. To demonstrate the potential of DBB further, it is applied to synchrotron microdiffraction data. Finally, guidelines for using DBB in experimental data are provided.
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