2023
DOI: 10.1016/j.jfca.2023.105276
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Investigating the impact of spectral data pre-processing to assess honey botanical origin through Fourier transform infrared spectroscopy (FTIR)

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Cited by 19 publications
(4 citation statements)
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“…The 12 methods included Savitzky-Golay convolutional smoothing (SG), multiple scattering correction (MSC), standard normal variety (SNV), logarithmic transformation (LG), first derivative (FD), and second derivative (SD). Combinations of two single preprocessing algorithms (SG + SNV and SG + MSC) and combinations of three single preprocessing methods (SG + MSC + SD, SG + MSC + FD, SG + SNV + FD, SG + SNV + SD, and SG + SNV + SD) were used to preprocess the original spectral data [40]. Next, partial least squares regression (PLSR) [41] and gradient boosting regression tree (GBRT) algorithms were used to establish a prediction model for mineral element content, establish a full-band prediction model, and preliminarily screen out two models that meet the criteria for predicting the iron content in pear peel and two models that meet the criteria for predicting the iron content in pear pulp.…”
Section: Discussionmentioning
confidence: 99%
“…The 12 methods included Savitzky-Golay convolutional smoothing (SG), multiple scattering correction (MSC), standard normal variety (SNV), logarithmic transformation (LG), first derivative (FD), and second derivative (SD). Combinations of two single preprocessing algorithms (SG + SNV and SG + MSC) and combinations of three single preprocessing methods (SG + MSC + SD, SG + MSC + FD, SG + SNV + FD, SG + SNV + SD, and SG + SNV + SD) were used to preprocess the original spectral data [40]. Next, partial least squares regression (PLSR) [41] and gradient boosting regression tree (GBRT) algorithms were used to establish a prediction model for mineral element content, establish a full-band prediction model, and preliminarily screen out two models that meet the criteria for predicting the iron content in pear peel and two models that meet the criteria for predicting the iron content in pear pulp.…”
Section: Discussionmentioning
confidence: 99%
“…This method can reduce big-sized data to its principal component (PC), representing the structure and variance in the data (Granato et al, 2018). In PCA, FTIR spectra is pre-treated with an objection to avoid any problems raised by the baseline shift, and increase the resolution of overlapping spectra (Tsagkaris et al, 2023).…”
Section: Ftir Spectra Grouping With Pcamentioning
confidence: 99%
“…All preprocessing methods aim to reduce random noise and systematic variations in the resulting data to improve their analysis. For this reason, preprocessing of data is an important and relevant step, especially when reasonable results are to be obtained [18].…”
Section: Data Preprocessingmentioning
confidence: 99%