Automated tobacco grading using image processing techniques and a convolutional neural network

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creativework.keywordsConvolutional neural network; Image processing techniques; Leaf detection; Tobacco grading
dc.contributor.authorMarzan, Charlie S.
dc.contributor.authorRuiz, Conrado R.
dc.date.accessioned2026-09-01T00:53:15Z
dc.date.available2026-09-01T00:53:15Z
dc.date.issued2019
dc.descriptionFull text.
dc.description.abstractTobacco grading is very important for crop market price determination. It is beneficial for graders who need to manually classify tobacco leaves according to their grades. As such, a grading system using image processing techniques and a Convolutional Neural Network (CNN) is proposed in this study which aims to surpass existing results in tobacco grading. The system consists of image acquisition, pre-processing, leaf detection, segmentation, and classification. Tobacco leaf images were directly taken at the tobacco grading room and pre-processed for subsequent tasks. Through a Haar cascade classifier and applying image processing techniques, air-cured tobacco leaves are automatically detected and extracted in images. This method produced satisfactory results as it can successfully detect single and multiple tobacco leaves taken under different positions and scale. All detected tobacco leaves underwent various image processing to precisely segment leaves from the rest of the image. The experimental results also reveal that using segmented and nonsegmented images, CNN classifier can effectively grade tobacco leaves as high as 96.25% accuracy rate and on average, took 7.43 ms to classify a single tobacco leaf. This approach outperforms current methods in grading tobacco leaves. © 2019 International Association of Computer Science and Information Technology.
dc.identifier.citationMarzan, C. S., & Ruiz, C. R. (2019). Automated tobacco grading using image processing techniques and a convolutional neural network. International Journal of Machine Learning and Computing, 9(6), 807-813. https://doi.org/10.18178/ijmlc.2019.9.6.877
dc.identifier.doihttps://doi.org/10.18178/ijmlc.2019.9.6.877
dc.identifier.issn2010-3700
dc.identifier.urihttps://lakasa.dmmmsu.edu.ph/handle/123456789/2423
dc.language.isoen
dc.publisherInternational Association of Computer Science and Information Technology
dc.sdgSDG 9
dc.subjectConvolutional neural networks
dc.subjectImage processing
dc.subjectTobacco grading
dc.subject.ddc006.32
dc.subject.lcshNeural networks (Computer science)
dc.subject.lcshImage processing—Digital techniques
dc.subject.lcshTobacco—Grading
dc.titleAutomated tobacco grading using image processing techniques and a convolutional neural network
dc.typeArticle
oaire.citation.endPage813
oaire.citation.issue6
oaire.citation.startPage807
oaire.citation.volume9
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