期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 47, 期 6, 页码 643-650出版社
WILEY
DOI: 10.1002/jrs.4886
关键词
extended multiplicative signal correction (EMSC); Raman spectroscopy; baseline correction; normalisation; shift correction
类别
资金
- Research Council of Norway
- Foundation for Research Levy on Agricultural Products
Model-based pre-processing has become wide spread in spectroscopy and is the standard procedure in Fourier-transform infrared spectroscopy. It has also been shown to give valuable contributions in Raman spectroscopy. Extended multiplicative signal correction is flexible enough to handle varying fluorescence background and take into account individual variations in baselines while still keeping enough rigidity through reference spectra and model fitting to avoid degenerate solutions and overfitting, when used correctly. We demonstrate the basic extended multiplicative signal correction method and some extensions, including a novel shift correction, on real Raman data to demonstrate effects on visual appearance, replicate variation and prediction. Comparisons with other standard correction methods are also shown and discussed. (C) 2016 The Authors. Journal of Raman Spectroscopy Published by John Wiley & Sons, Ltd.
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