The Asymmetric Least Squares performs baseline correction by penalizing positive residuals.
matlab preprocessing spectroscopy infrared chemometrics raman irls ftir baseline-correction asls spectral-preprocessing asymmetric-least-squares penalized-least-squares iteratively-reweighted-least-squares second-order-difference smoothness-penalty whittaker-smoother fluorescence-background eilers boelens
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Updated
Aug 7, 2026 - MATLAB