1996
DOI: 10.1021/ac960388+
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Transfer of Near-Infrared Multivariate Calibrations without Standards

Abstract: A novel approach to the transfer of multivariate calibration is proposed. This method is based on the finite impulse response (FIR) filtering of a set of spectra to be transferred, using a spectrum on the target instrument to direct the filtering process. Often, the target spectrum is the mean of a calibration set. The method is compared against direct transfer and piecewise direct transfer on near-infrared reflectance spectra in two representative data sets. Results from these studies suggest that FIR transfe… Show more

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Cited by 135 publications
(80 citation statements)
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“…Os filtros de resposta a impulso finita 29 (filtros FIR -"Finite Impulse Response") foram propostos como método de transferên-cia de calibração para o caso de as diferenças sistemáticas de linha de base e de inclinação variarem com o comprimento de onda. Neste método, análogo a uma MSC por partes, escolhe-se um espectro de referência, que pode ser o espectro de uma determinada amostra ou o espectro médio de todas elas, e ajustam-se os demais espectros de forma a se assemelharem ao espectro de referência escolhido.…”
Section: Pré-processamentosunclassified
“…Os filtros de resposta a impulso finita 29 (filtros FIR -"Finite Impulse Response") foram propostos como método de transferên-cia de calibração para o caso de as diferenças sistemáticas de linha de base e de inclinação variarem com o comprimento de onda. Neste método, análogo a uma MSC por partes, escolhe-se um espectro de referência, que pode ser o espectro de uma determinada amostra ou o espectro médio de todas elas, e ajustam-se os demais espectros de forma a se assemelharem ao espectro de referência escolhido.…”
Section: Pré-processamentosunclassified
“…For this reason, a more flexible windowing or piece-wise approach similar to piece-wise multiplicative scatter correction [5] and finite impulse response filtering [6] may be used.…”
Section: Extended Multiplicative Scatter Correction Emscmentioning
confidence: 99%
“…Other methods such as multiplicative scatter correction (MSC) [4] attempt to correct, or filter out, scattering artifacts providing good predictive models as well as reasonably interpretable spectra. Variations include piecewise MSC [5,6], inverse scatter correction [7], and extended multiplicative scatter correction (EMSC) [8,9]. The variation used in this work was extended inverse multiplicative scatter correction (EISC).…”
Section: Introductionmentioning
confidence: 99%
“…Because this correction requires a set of samples spanning instrumental variation to be collected on primary and secondary instruments, there is little advantage over a transfer of calibration. It is possible to correct the set of spectral data used in a calibration model without the need to measure a set of standard samples on both primary and secondary instruments by using finite impulse response filtering-based preprocessing (FIR) to correct the spectral data from both primary and secondary instruments [12,13] for wavelength-dependent slope and bias effects. In this case, there is no need for the measurement of identical standards on both instruments to make the corrections.…”
Section: Introductionmentioning
confidence: 99%