Rapid identification of scoured protein fibers using near-infrared spectroscopy with machine learning: A comparison of handheld and benchtop devices

文献类型： 外文期刊

第一作者： Gong, Ping

作者： Gong, Ping;Wei, Peiling;Xu, Yanli;Zhang, Rongyin;Zheng, Wenxin;Fan, Xia;Feng, Yuchao;Fan, Xia

作者机构：

关键词： Cashmere; Wool; Convolutional neural networks; Handheld near-infrared spectrometer

期刊名称：MICROCHEMICAL JOURNAL （ 影响因子：5.1； 五年影响因子：4.7 ）

ISSN： 0026-265X

年卷期： 2025 年 208 卷

页码：

收录情况： SCI

摘要： Counterfeit cashmere textiles made from wool frequently appear in the market, disrupting regular commerce and significantly harming the interests of consumers. This study proposes the identification of scoured cashmere and wool fibers using a handheld near-infrared (NIR) spectroscopy system and then compared it with a benchtop Fourier transform-NIR spectroscopy instrument. A total of 416 fiber samples were analyzed, comprising 208 scoured cashmere and 208 scoured sheep-wool fibers. Prediction models were developed using multivariable selection algorithms, including principal component analysis (PCA), partial least squares-discriminant analysis (PLS-DA), and one-dimensional convolutional neural network (1D-CNN). Competitive adaptive reweighted sampling (CARS) was employed to select characteristic wavelengths. Notably, the handheld NIR system demonstrated a predictive ability comparable to that of the benchtop NIR system, with 100% accuracy. Furthermore, the discriminant effect of PLS-DA was better than that of 1D-CNN, and the feature band could improve the performance of 1D-CNN model. For the study results contribute to the practical supervision and production of cashmere textiles in the market.

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