2015
DOI: 10.1016/j.cclet.2014.10.023
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Pretreating near infrared spectra with fractional order Savitzky–Golay differentiation (FOSGD)

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Cited by 35 publications
(18 citation statements)
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“…The selection of 5 obviously caused underfitting, and RMSEC and RMSEP were higher than those using 15 as the n LVs selected by SEPA. Meanwhile, compared with the results of Zheng et al (Table ), the model performance described in this paper had good performance. Therefore, it can be concluded that SEPA makes it easy to build a model with better and robust prediction ability.…”
Section: Resultssupporting
confidence: 52%
“…The selection of 5 obviously caused underfitting, and RMSEC and RMSEP were higher than those using 15 as the n LVs selected by SEPA. Meanwhile, compared with the results of Zheng et al (Table ), the model performance described in this paper had good performance. Therefore, it can be concluded that SEPA makes it easy to build a model with better and robust prediction ability.…”
Section: Resultssupporting
confidence: 52%
“…Pre-processing of the spectrum is often required to reduce the effect of noise and enhance the spectral signature. Meanwhile, Savitzky-Golay differentiation is a commonly used spectral pre-treatment method, and in practice the first and second derivatives eliminate the interference of the baseline or background, improve sensitivity and detect and enhance minor or subtle spectral features [18,19]. Obtained spectra were continuum removed and normalized to enhance the spectral absorption features.…”
Section: Spectral Pre-processingmentioning
confidence: 99%
“…He pointed out that the accuracy of infrared spectral data after fractional differential processing was improved compared with the integer-order operation. (9) Zhang et al applied the fractional differential in the pretreatment of hyperspectral data of saline soils, and indicated that it was desirable to use fractional differentials to excavate the potential information of soil spectra data. (10) At present, there are few reports on the estimation of total potassium content in soils using the fractional differential algorithm.…”
Section: Introductionmentioning
confidence: 99%