Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis

The detection of durian ripeness using thermal imaging is an essential study geared towards improving the current analytical methods which rely heavily on routine analysis and human labour skills. Thermal imaging was investigated in this study in order to evaluate the ripeness of durian based on the...

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Main Authors: Mohd Ali, Maimunah, Hashim, Norhashila, Shahamshah, Muhammad Ikmal
Format: Article
Language:English
Published: Elsevier 2021
Online Access:http://psasir.upm.edu.my/id/eprint/96812/1/ABSTRACT.pdf
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author Mohd Ali, Maimunah
Hashim, Norhashila
Shahamshah, Muhammad Ikmal
author_facet Mohd Ali, Maimunah
Hashim, Norhashila
Shahamshah, Muhammad Ikmal
author_sort Mohd Ali, Maimunah
collection UPM
description The detection of durian ripeness using thermal imaging is an essential study geared towards improving the current analytical methods which rely heavily on routine analysis and human labour skills. Thermal imaging was investigated in this study in order to evaluate the ripeness of durian based on the relationship of physicochemical properties and thermal image parameters. Thermal images of durians were acquired at three different ripening stages (unripe, ripe, and overripe) and the physicochemical properties of the soluble solids content, pH, firmness, moisture content, and colour changes were determined. Partial least squares (PLS) regression was used to develop quantitative prediction models with R2 values greater than 0.94 for all the physicochemical properties of durians. Principal component analysis (PCA) showed successful clustering ability of three different ripeness levels of durians. Linear discriminant analysis (LDA), k-nearest neighbour (kNN), and support vector machine (SVM) were applied for the establishment of the optimal classification modelling algorithms. The SVM classifier gave the overall best performance for the discrimination of durian ripeness with a classification accuracy of 97 %. The feasibility of thermal imaging coupled with multivariate methods demonstrated huge potential for non-destructive evaluation of durian ripeness levels.
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spelling upm.eprints-968122022-12-01T04:02:56Z http://psasir.upm.edu.my/id/eprint/96812/ Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis Mohd Ali, Maimunah Hashim, Norhashila Shahamshah, Muhammad Ikmal The detection of durian ripeness using thermal imaging is an essential study geared towards improving the current analytical methods which rely heavily on routine analysis and human labour skills. Thermal imaging was investigated in this study in order to evaluate the ripeness of durian based on the relationship of physicochemical properties and thermal image parameters. Thermal images of durians were acquired at three different ripening stages (unripe, ripe, and overripe) and the physicochemical properties of the soluble solids content, pH, firmness, moisture content, and colour changes were determined. Partial least squares (PLS) regression was used to develop quantitative prediction models with R2 values greater than 0.94 for all the physicochemical properties of durians. Principal component analysis (PCA) showed successful clustering ability of three different ripeness levels of durians. Linear discriminant analysis (LDA), k-nearest neighbour (kNN), and support vector machine (SVM) were applied for the establishment of the optimal classification modelling algorithms. The SVM classifier gave the overall best performance for the discrimination of durian ripeness with a classification accuracy of 97 %. The feasibility of thermal imaging coupled with multivariate methods demonstrated huge potential for non-destructive evaluation of durian ripeness levels. Elsevier 2021 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/96812/1/ABSTRACT.pdf Mohd Ali, Maimunah and Hashim, Norhashila and Shahamshah, Muhammad Ikmal (2021) Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis. Postharvest Biology and Technology, 176. art. no. 111517. pp. 1-8. ISSN 0925-5214 https://www.sciencedirect.com/science/article/pii/S0925521421000569 10.1016/j.postharvbio.2021.111517
spellingShingle Mohd Ali, Maimunah
Hashim, Norhashila
Shahamshah, Muhammad Ikmal
Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title_full Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title_fullStr Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title_full_unstemmed Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title_short Durian (Durio zibethinus) ripeness detection using thermal imaging with multivariate analysis
title_sort durian durio zibethinus ripeness detection using thermal imaging with multivariate analysis
url http://psasir.upm.edu.my/id/eprint/96812/1/ABSTRACT.pdf
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AT hashimnorhashila durianduriozibethinusripenessdetectionusingthermalimagingwithmultivariateanalysis
AT shahamshahmuhammadikmal durianduriozibethinusripenessdetectionusingthermalimagingwithmultivariateanalysis