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Figure 7
Case study extension: elemental maps derived from per-pixel nonlinear fits. Columns show Mn, Cu and Pt L amplitudes, the top row is NLopt and the bottom row is MapsTorch. MapsTorch yields smoother, more coherent, spatial structure without artifacts for Mn and Cu, and reveals features that are muted in NLopt maps for Pt L. The improved elemental maps are consistent with the better single-pixel fits in Fig. 6[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 1| January 2026| Pages 235-245
https://doi.org/10.1107/S160057752501032X
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