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LovelaceSquare / eemsignal-cleaner

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Interactive MATLAB interface for masking Rayleigh and Raman scatter in EEM fluorescence data and handling masked pixels with NaN, interpolation, SVD, PARAFAC-ALS, O-ALS, or MCR-ALS.

visualization matlab imputation missing-data preprocessing svd eem chemometrics masking missing-values parafac excitation-emission-matrix mcr-als fluorescence-spectroscopy rayleigh-scatter raman-scatter scatter-removal o-als spectroscopy-preprocessing
  • Updated Aug 7, 2026
  • HTML

LovelaceSquare / saturation-o-als

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This code recovers saturated signals using O-ALS by treating saturated signal as NaNs and reconstructing them from PCA subspace.

matlab pca missing-data preprocessing spectroscopy scores chemometrics data-recovery gram-schmidt orthogonalization spectral-reconstruction deflation iterative-algorithm saturation-recovery loadings o-als orthogonalized-alternating-least-squares nan-imputation saturated-signal detector-saturation
  • Updated Aug 7, 2026
  • MATLAB

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