000312219 001__ 312219 000312219 005__ 20250717104643.0 000312219 0247_ $$2doi$$a10.1107/S1600577515023528 000312219 0247_ $$2ISSN$$a0909-0495 000312219 0247_ $$2ISSN$$a1600-5775 000312219 0247_ $$2WOS$$aWOS:000371387900025 000312219 0247_ $$2pmid$$apmid:26917147 000312219 0247_ $$2altmetric$$aaltmetric:5516895 000312219 0247_ $$2openalex$$aopenalex:W2472769368 000312219 037__ $$aPUBDB-2016-05391 000312219 041__ $$aEnglish 000312219 082__ $$a540 000312219 1001_ $$0P:(DE-H253)PIP1007955$$aAlfeld, Matthias$$b0$$eCorresponding author 000312219 245__ $$aNon-negative matrix factorization for the near real-time interpretation of absorption effects in elemental distribution images acquired by X-ray fluorescence imaging 000312219 260__ $$aChester$$bIUCr$$c2016 000312219 3367_ $$2DRIVER$$aarticle 000312219 3367_ $$2DataCite$$aOutput Types/Journal article 000312219 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1485867973_28732 000312219 3367_ $$2BibTeX$$aARTICLE 000312219 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000312219 3367_ $$00$$2EndNote$$aJournal Article 000312219 500__ $$a(c) International Union of Crystallography. Post referee full text in progress. 000312219 520__ $$aElemental distribution images acquired by imaging X-ray fluorescence analysis can contain high degrees of redundancy and weakly discernible correlations. In this article near real-time non-negative matrix factorization (NMF) is described for the analysis of a number of data sets acquired from samples of a bi-modal $\alpha$+$\beta$ Ti-6Al-6V-2Sn alloy. NMF was used for the first time to reveal absorption artefacts in the elemental distribution images of the samples, where two phases of the alloy, namely $\alpha$ and $\beta$, were in superposition. The findings and interpretation of the NMF results were confirmed by Monte Carlo simulation of the layered alloy system. 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