Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models

This research addresses the lack of publicly available datasets for Bangladeshi medicinal plants by presenting a comprehensive dataset comprising 5000 images of ten species collected under controlled conditions. To improve performance, several preprocessing techniques were employed, such as image se...

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Main Authors: A. Hasib Uddin, Yen-Lin Chen, Bijly Borkatullah, Mst. Sathi Khatun, Jannatul Ferdous, Prince Mahmud, Jing Yang, Chin Soon Ku, Lip Yee Por
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/11/16/3504
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author A. Hasib Uddin
Yen-Lin Chen
Bijly Borkatullah
Mst. Sathi Khatun
Jannatul Ferdous
Prince Mahmud
Jing Yang
Chin Soon Ku
Lip Yee Por
author_facet A. Hasib Uddin
Yen-Lin Chen
Bijly Borkatullah
Mst. Sathi Khatun
Jannatul Ferdous
Prince Mahmud
Jing Yang
Chin Soon Ku
Lip Yee Por
author_sort A. Hasib Uddin
collection DOAJ
description This research addresses the lack of publicly available datasets for Bangladeshi medicinal plants by presenting a comprehensive dataset comprising 5000 images of ten species collected under controlled conditions. To improve performance, several preprocessing techniques were employed, such as image selection, background removal, unsharp masking, contrast-limited adaptive histogram equalization, and morphological gradient. Then, we applied five state-of-the-art deep learning models to achieve benchmark performance on the dataset: VGG16, ResNet50, DenseNet201, InceptionV3, and Xception. Among these models, DenseNet201 demonstrated the highest accuracy of 85.28%. In addition to benchmarking the deep learning models, three novel neural network architectures were developed: dense-residual–dense (DRD), dense-residual–ConvLSTM-dense (DRCD), and inception-residual–ConvLSTM-dense (IRCD). The DRCD model achieved the highest accuracy of 97%, surpassing the benchmark performances of individual models. This highlights the effectiveness of the proposed architectures in capturing complex patterns and dependencies within the data. To further enhance classification accuracy, an ensemble approach was adopted, employing both hard ensemble and soft ensemble techniques. The hard ensemble achieved an accuracy of 98%, while the soft ensemble achieved the highest accuracy of 99%. These results demonstrate the effectiveness of ensembling techniques in boosting overall classification performance. The outcomes of this study have significant implications for the accurate identification and classification of Bangladeshi medicinal plants. This research provides valuable resources for traditional medicine, drug discovery, and biodiversity conservation efforts. The developed models and ensemble techniques can aid researchers, botanists, and practitioners in accurately identifying medicinal plant species, thereby facilitating the utilization of their therapeutic potential and contributing to the preservation of biodiversity.
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spelling doaj.art-720c3dc1823348b0af8dd8c6fe871afd2023-11-19T02:02:58ZengMDPI AGMathematics2227-73902023-08-011116350410.3390/math11163504Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble ModelsA. Hasib Uddin0Yen-Lin Chen1Bijly Borkatullah2Mst. Sathi Khatun3Jannatul Ferdous4Prince Mahmud5Jing Yang6Chin Soon Ku7Lip Yee Por8Department of Computer Science and Engineering, Khwaja Yunus Ali University, Sirajganj 6751, BangladeshDepartment of Computer Science and Information Engineering, National Taipei University of Technology, Taipei 106344, TaiwanDepartment of Computer Science and Engineering, Khwaja Yunus Ali University, Sirajganj 6751, BangladeshDepartment of Computer Science and Engineering, Khwaja Yunus Ali University, Sirajganj 6751, BangladeshDepartment of Computer Science and Engineering, Jannat Ara Henry Science & Technology College, Sirajganj 6700, BangladeshDepartment of Computer Science and Engineering, Chandpur Science and Technology University, Chandpur 3600, BangladeshDepartment of Computer System and Technology, Faculty of Computer Science and Information Technology, Universiti Malaya, Kuala Lumpur 50603, MalaysiaDepartment of Computer Science, Universiti Tunku Abdul Rahman, Kampar 31900, MalaysiaDepartment of Computer System and Technology, Faculty of Computer Science and Information Technology, Universiti Malaya, Kuala Lumpur 50603, MalaysiaThis research addresses the lack of publicly available datasets for Bangladeshi medicinal plants by presenting a comprehensive dataset comprising 5000 images of ten species collected under controlled conditions. To improve performance, several preprocessing techniques were employed, such as image selection, background removal, unsharp masking, contrast-limited adaptive histogram equalization, and morphological gradient. Then, we applied five state-of-the-art deep learning models to achieve benchmark performance on the dataset: VGG16, ResNet50, DenseNet201, InceptionV3, and Xception. Among these models, DenseNet201 demonstrated the highest accuracy of 85.28%. In addition to benchmarking the deep learning models, three novel neural network architectures were developed: dense-residual–dense (DRD), dense-residual–ConvLSTM-dense (DRCD), and inception-residual–ConvLSTM-dense (IRCD). The DRCD model achieved the highest accuracy of 97%, surpassing the benchmark performances of individual models. This highlights the effectiveness of the proposed architectures in capturing complex patterns and dependencies within the data. To further enhance classification accuracy, an ensemble approach was adopted, employing both hard ensemble and soft ensemble techniques. The hard ensemble achieved an accuracy of 98%, while the soft ensemble achieved the highest accuracy of 99%. These results demonstrate the effectiveness of ensembling techniques in boosting overall classification performance. The outcomes of this study have significant implications for the accurate identification and classification of Bangladeshi medicinal plants. This research provides valuable resources for traditional medicine, drug discovery, and biodiversity conservation efforts. The developed models and ensemble techniques can aid researchers, botanists, and practitioners in accurately identifying medicinal plant species, thereby facilitating the utilization of their therapeutic potential and contributing to the preservation of biodiversity.https://www.mdpi.com/2227-7390/11/16/3504Bangladeshi medicinal plantsmedicinal plantdeep learningclassificationneural ensemble methods
spellingShingle A. Hasib Uddin
Yen-Lin Chen
Bijly Borkatullah
Mst. Sathi Khatun
Jannatul Ferdous
Prince Mahmud
Jing Yang
Chin Soon Ku
Lip Yee Por
Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
Mathematics
Bangladeshi medicinal plants
medicinal plant
deep learning
classification
neural ensemble methods
title Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
title_full Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
title_fullStr Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
title_full_unstemmed Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
title_short Deep-Learning-Based Classification of Bangladeshi Medicinal Plants Using Neural Ensemble Models
title_sort deep learning based classification of bangladeshi medicinal plants using neural ensemble models
topic Bangladeshi medicinal plants
medicinal plant
deep learning
classification
neural ensemble methods
url https://www.mdpi.com/2227-7390/11/16/3504
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