Journal
ULTRAMICROSCOPY
Volume 102, Issue 4, Pages 327-337Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultramic.2004.11.003
Keywords
electron energy loss spectroscopy; independent component analysis; blind separation of sources; interface; multivariate statistical analysis
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A complementary approach is proposed for analysing series of electron energy-loss spectra that can be recorded with the spectrum-line technique, across an interface for instance. This approach, called blind source separation (BSS) or independent component analysis (ICA), complements two existing methods: the spatial difference approach and multivariate statistical analysis. The principle of the technique is presented and illustrations are given through one simulated example and one real example. (C) 2004 Elsevier B.V. All rights reserved.
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