Quantitative analysis based on image processing combined with machine learning and deep learning to determine the adulteration in nutmeg powder

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dc.contributor.authorSitorus, Agustami
dc.contributor.authorPambudi, Suluh
dc.contributor.authorBoodnon, Wutthiphong
dc.contributor.authorLapcharoensuk, Ravipat
dc.date.accessioned2026-08-06T10:52:23Z
dc.date.available2026-08-06T10:52:23Z
dc.date.issued2025-10-01
dc.description.abstractThe global demand for nutmeg powder has increased, raising the risk of adulteration and necessitating an efficient and cost-effective screening method. The objective of this study is to develop a calibration model to predict the adulteration of nutmeg powder by cinnamon powder using a novel approach by integrating image processing with machine learning (ML) and deep learning (DL). Eight regressors, including four ML regressors (multiple linear ridge regression–MLRR, partial least squares regression–PLSR, multi-layer perceptron–MLP, and adaptive boosting–ABS) and four DL regressors (convolutional neural networks–CNN, AlexNET, residual networks–ResNET, and GoogleNET), were employed to analyze 1800 images of adulteration samples ranging from 0 % to 35 % (w/w). Among ML models, MLP achieved the highest accuracy in prediction (R<inf>p</inf>²=0.922, RMSEP=2.804 %, RPD=3.59), while PLSR (R<inf>p</inf>²=0.876, RMSEP=3.538 %, RPD=2.84), MLRR (R<inf>p</inf>²=0.872, RMSEP=3.596 %, RPD=2.80), and ABS (R<inf>p</inf>²=0.849, RMSEP=3.904 %, RPD=2.58) underperformed. For DL, ResNET (R<inf>p</inf>²=0.882, RMSEP=3.416 %, RPD=2.91) surpassed CNN (R<inf>p</inf>²=0.876, RMSEP=3.505 %, RPD=2.84), AlexNET (R<inf>p</inf>²=0.801, RMSEP=4.429 %, RPD=2.24), and GoogleNET (R<inf>p</inf>²=0.751, RMSEP=4.963 %, RPD=2.00). The MLP's superiority highlights its compatibility with ORB-based feature extraction for nonlinear adulteration patterns, outperforming complex DL architectures. This research highlights the potential of image processing supported by ML and DL as a rapid and low-cost tool for future nutmeg powder adulteration screening.
dc.identifier.citationJournal of Food Composition and Analysis, 146, 2025
dc.identifier.doi10.1016/j.jfca.2025.107913
dc.identifier.issn08891575
dc.identifier.other2-s2.0-105008800397
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/17296
dc.sourceJournal of Food Composition and Analysis
dc.subjectAdulteration
dc.subjectDeep learning
dc.subjectImages processing
dc.subjectMachine learning
dc.subjectNutmeg powder
dc.titleQuantitative analysis based on image processing combined with machine learning and deep learning to determine the adulteration in nutmeg powder
dc.typeArticle

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