Ensemble calibration for the spectral quantitative analysis of complex samples

X Bian, P Diwu, Y Liu, P Liu, Q Li… - Journal of …, 2018 - Wiley Online Library
Ensemble strategies have gained increasing attention in multivariate calibration for
quantitative analysis of complex samples. The aim of ensemble calibration is to obtain a …

Integrated spectral and textural features of hyperspectral imaging for prediction and visualization of stearic acid content in lamb meat

Y Wang, C Wang, F Dong, S Wang - Analytical Methods, 2021 - pubs.rsc.org
Stearic acid content is an important factor affecting mutton odor. To determine the
distribution and content of stearic acid (C18: 0) in lamb meat fast and nondestructively, a …

Application of near-infrared spectroscopy in micro inorganic analysis

X Shao, Y Ning, F Liu, J Li, W Cai - Acta Chimica Sinica, 2012 - sioc-journal.cn
Near infrared spectroscopy (NIRS) has been widely used in analyzing various real complex
samples due to its superiority in fast and non-destructive determination. It is difficult …

A new strategy of least absolute shrinkage and selection operator coupled with sampling error profile analysis for wavelength selection

R Zhang, F Zhang, W Chen, H Yao, J Ge, S Wu… - Chemometrics and …, 2018 - Elsevier
A new strategy based on sampling error profile analysis (SEPA) combined with least
absolute shrinkage and selection operator (SEPA-LASSO) was proposed. LASSO has been …

Rapid determination of phytosterols by NIRS and chemometric methods

Y Liu, Y Wang, Z Xia, Y Wang, Y Wu, Z Gong - Spectrochimica Acta Part A …, 2019 - Elsevier
Phytosterols have been extensively studied because it plays essential roles in the
physiology of plants and can be used as nutritional supplement to promote human health …

Enhancing transferability of near-infrared spectral models for soluble solids content prediction across different fruits

C Guo, J Zhang, W Cai, X Shao - Applied Sciences, 2023 - mdpi.com
Near-infrared (NIR) spectroscopy is widely used for non-destructive detection of fruit quality,
but the transferability of NIR models between different fruits is still a challenge. This study …

Discriminating geographic origin of sesame oils and determining lignans by near-infrared spectroscopy combined with chemometric methods

Y Liu, Z Xia, L Yao, Y Wu, Y Li, S Zeng, H Li - Journal of Food Composition …, 2019 - Elsevier
Near-infrared spectroscopy (NIRS) combined with chemometric methods were used to
discriminate the sesame oils from different Chinese provinces and determinate the lignans …

近红外光谱在无机微量成分分析中的应用

邵学广, 宁宇, 刘凤霞, 李积慧, 蔡文生 - 化学学报, 2012 - sioc-journal.cn
摘要由于近红外光谱的独特优势, 在实际复杂样品分析中发挥了重要作用. 但由于近红外光谱的
信号相对较弱, 无机离子在近红外光谱中一般没有响应, 因此难以用于微量成分特别是无机微量 …

Robust boosting neural networks with random weights for multivariate calibration of complex samples

X Bian, P Diwu, C Zhang, L Lin, G Chen, X Tan… - Analytica Chimica …, 2018 - Elsevier
Neural networks with random weights (NNRW) has been used for regression due to its
excellent performance. However, NNRW is sensitive to outliers and unstable to some extent …

Outlier detection for multivariate calibration in near infrared spectroscopic analysis by model diagnostics

LI Zheng-Feng, XU Guang-Jin, W Jia-Jun… - Chinese Journal of …, 2016 - Elsevier
Outlier detection is an important task in multivariate calibration because the quality of a
calibration model is determined by that of the calibration data. An outlier detection method …