A Deep Learning-Based Ensemble Method for Early Diagnosis of Alzheimer's Disease using MRI Images
© 2023. The Author(s)..
Recently, the early diagnosis of Alzheimer's disease has gained major attention due to the growing prevalence of the disease and the resulting costs imposed on individuals and society. The main objective of this study was to propose an ensemble method based on deep learning for the early diagnosis of AD using MRI images. The methodology of this study consisted of collecting the dataset, preprocessing, creating the individual and ensemble models, evaluating the models based on ADNI data, and validating the trained model based on the local dataset. The proposed method was an ensemble approach selected through a comparative analysis of various ensemble scenarios. Finally, the six best individual CNN-based classifiers were selected to combine and constitute the ensemble model. The evaluation showed an accuracy rate of 98.57, 96.37, 94.22, 99.83, 93.88, and 93.92 for NC/AD, NC/EMCI, EMCI/LMCI, LMCI/AD, four-way and three-way classification groups, respectively. The validation results on the local dataset revealed an accuracy of 88.46 for three-way classification. Our performance results were higher than most reviewed studies and comparable with others. Although comparative analysis showed superior results of ensemble methods against individual architectures, there were no significant differences among various ensemble approaches. The validation results revealed the low performance of individual models in practice. In contrast, the ensemble method showed promising results. However, further studies on various and larger datasets are required to validate the generalizability of the model.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Neuroinformatics - 22(2024), 1 vom: 15. Jan., Seite 89-105 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fathi, Sina [VerfasserIn] |
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| Links: |
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| Themen: |
Alzheimer’s disease |
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| Anmerkungen: |
Date Completed 07.03.2024 Date Revised 09.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s12021-023-09646-2 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM365337501 |
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| 520 | |a Recently, the early diagnosis of Alzheimer's disease has gained major attention due to the growing prevalence of the disease and the resulting costs imposed on individuals and society. The main objective of this study was to propose an ensemble method based on deep learning for the early diagnosis of AD using MRI images. The methodology of this study consisted of collecting the dataset, preprocessing, creating the individual and ensemble models, evaluating the models based on ADNI data, and validating the trained model based on the local dataset. The proposed method was an ensemble approach selected through a comparative analysis of various ensemble scenarios. Finally, the six best individual CNN-based classifiers were selected to combine and constitute the ensemble model. The evaluation showed an accuracy rate of 98.57, 96.37, 94.22, 99.83, 93.88, and 93.92 for NC/AD, NC/EMCI, EMCI/LMCI, LMCI/AD, four-way and three-way classification groups, respectively. The validation results on the local dataset revealed an accuracy of 88.46 for three-way classification. Our performance results were higher than most reviewed studies and comparable with others. Although comparative analysis showed superior results of ensemble methods against individual architectures, there were no significant differences among various ensemble approaches. The validation results revealed the low performance of individual models in practice. In contrast, the ensemble method showed promising results. However, further studies on various and larger datasets are required to validate the generalizability of the model | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Alzheimer’s disease | |
| 650 | 4 | |a Convolutional neural networks | |
| 650 | 4 | |a Deep learning | |
| 650 | 4 | |a Magnetic resonance imaging | |
| 650 | 4 | |a Mild Cognitive Impairment | |
| 650 | 4 | |a Transfer learning | |
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| 700 | 1 | |a Dehnad, Afsaneh |e verfasserin |4 aut | |
| 700 | 1 | |a Almasi-Dooghaee, Mostafa |e verfasserin |4 aut | |
| 700 | 1 | |a Sadegh, Melika |e verfasserin |4 aut | |
| 700 | 0 | |a Alzheimer’s Disease Neuroimaging Initiative |e verfasserin |4 aut | |
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