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Fig. 13 | Advanced Structural and Chemical Imaging

Fig. 13

From: Optimal principal component analysis of STEM XEDS spectrum images

Fig. 13

PCA results for the STEM XEDS spectrum-image of a MAG*I*CAL sample: a scree plot, b anisotropy plot. The inset in (b) shows the zoomed variation of the anisotropy criterion in the noise domain; c compares the elemental maps extracted from the untreated and the PCA treated datasets. For fair comparison, all maps are displayed with identical contrast settings

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