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. 2020 Sep 15;15(9):e0238647. doi: 10.1371/journal.pone.0238647

Fig 5. Pre-Processing Data-type visualisations.

Fig 5

A: Spectral comparison between the ‘Raw’, smoothed and background subtracted data-types for a single traumatised spectrum. B: Spectral derivative comparison for both the smooth and background subtracted data sets shown in A.