Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach

Willd.) is due to its high protein content and gluten-free condition; nonetheless, the presence of foreign bodies in quinoa processing facilities is an issue that must be addressed. As a result, convolutional neural networks have been adopted, mostly because of their data extraction capabilities, wh...

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Autores principales: Avila-George, Himer, De‐la‐Torre, Miguel, Sanchez Garces, Jorge Alejandro, Coaquira Quispe, Joel Jerson, Prieto, Jose Manuel, Castro, Wilson
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Lenguaje:inglés
Publicado: 2023
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author Avila-George, Himer
De‐la‐Torre, Miguel
Sanchez Garces, Jorge Alejandro
Coaquira Quispe, Joel Jerson
Prieto, Jose Manuel
Castro, Wilson
author_browse Avila-George, Himer
Castro, Wilson
Coaquira Quispe, Joel Jerson
De‐la‐Torre, Miguel
Prieto, Jose Manuel
Sanchez Garces, Jorge Alejandro
author_facet Avila-George, Himer
De‐la‐Torre, Miguel
Sanchez Garces, Jorge Alejandro
Coaquira Quispe, Joel Jerson
Prieto, Jose Manuel
Castro, Wilson
author_sort Avila-George, Himer
collection Producción científica
description Willd.) is due to its high protein content and gluten-free condition; nonetheless, the presence of foreign bodies in quinoa processing facilities is an issue that must be addressed. As a result, convolutional neural networks have been adopted, mostly because of their data extraction capabilities, which had not been utilized before for this purpose. Consequently, the main objective of this work is to evaluate convolutional neural networks with a learning transfer for foreign bodies identification in quinoa samples. For experimentation, quinoa samples were collected and manually split into 17 classes: quinoa grains and 16 foreign bodies. Then, one thousand images were obtained from each class in RGB space and transformed into four different color spaces (L*a*b*, HSV, YCbCr, and Gray). Three convolutional neural networks (AlexNet, MobileNetv2, and DenseNet-201) were trained using the five color spaces, and the evaluation results were expressed in terms of accuracy and F-score. All the CNN approaches compared showed an F-score ranging from 98% to 99%; both color space and CNN structure were found to have significant effects on the F-score. Also, DenseNet-201 was the most robust architecture and, at the same time, the most time-consuming. These results evidence the capacity of CNN architectures to be used for the discrimination of foreign bodies in quinoa processing facilities.
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spelling oai:cris.upeu.edu.pe:20.500.15037/6522026-10-30T16:56:46ZDiscrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approachAvila-George, HimerDe‐la‐Torre, MiguelSanchez Garces, Jorge AlejandroCoaquira Quispe, Joel JersonPrieto, Jose ManuelCastro, WilsonImage processingDiscriminationPost-harvestQuinoaTransfer LearningDeep LearningConvolutional Neural NetworksAlexnetMobilenetv2Densenet-201Willd.) is due to its high protein content and gluten-free condition; nonetheless, the presence of foreign bodies in quinoa processing facilities is an issue that must be addressed. As a result, convolutional neural networks have been adopted, mostly because of their data extraction capabilities, which had not been utilized before for this purpose. Consequently, the main objective of this work is to evaluate convolutional neural networks with a learning transfer for foreign bodies identification in quinoa samples. For experimentation, quinoa samples were collected and manually split into 17 classes: quinoa grains and 16 foreign bodies. Then, one thousand images were obtained from each class in RGB space and transformed into four different color spaces (L*a*b*, HSV, YCbCr, and Gray). Three convolutional neural networks (AlexNet, MobileNetv2, and DenseNet-201) were trained using the five color spaces, and the evaluation results were expressed in terms of accuracy and F-score. All the CNN approaches compared showed an F-score ranging from 98% to 99%; both color space and CNN structure were found to have significant effects on the F-score. Also, DenseNet-201 was the most robust architecture and, at the same time, the most time-consuming. These results evidence the capacity of CNN architectures to be used for the discrimination of foreign bodies in quinoa processing facilities.Articlehttps://pubmed.ncbi.nlm.nih.gov/36743959https://doi.org/10.7717/peerj.14808PMC989390710.7717/peerj.14808https://hdl.handle.net/20.500.15037/65236743959W4318473565enPeerJ2167-83592023-01-302026-06-13T09:29:06Z2026-06-13T09:29:06Z
spellingShingle Image processing
Discrimination
Post-harvest
Quinoa
Transfer Learning
Deep Learning
Convolutional Neural Networks
Alexnet
Mobilenetv2
Densenet-201
Avila-George, Himer
De‐la‐Torre, Miguel
Sanchez Garces, Jorge Alejandro
Coaquira Quispe, Joel Jerson
Prieto, Jose Manuel
Castro, Wilson
Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title_full Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title_fullStr Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title_full_unstemmed Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title_short Discrimination of foreign bodies in quinoa (Chenopodium quinoa Willd.) grains using convolutional neural networks with a transfer learning approach
title_sort discrimination of foreign bodies in quinoa chenopodium quinoa willd grains using convolutional neural networks with a transfer learning approach
topic Image processing
Discrimination
Post-harvest
Quinoa
Transfer Learning
Deep Learning
Convolutional Neural Networks
Alexnet
Mobilenetv2
Densenet-201
topic_facet Image processing
Discrimination
Post-harvest
Quinoa
Transfer Learning
Deep Learning
Convolutional Neural Networks
Alexnet
Mobilenetv2
Densenet-201
url https://pubmed.ncbi.nlm.nih.gov/36743959
https://doi.org/10.7717/peerj.14808
https://hdl.handle.net/20.500.15037/652
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