Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/2430
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DC Field | Value | Language |
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dc.contributor.author | Aslan, Muhammet Fatih | - |
dc.contributor.author | Sabancı, Kadir | - |
dc.contributor.author | Durdu, Akif | - |
dc.contributor.author | Ünlerşen, Muhammed Fahri | - |
dc.date.accessioned | 2022-05-23T20:22:43Z | - |
dc.date.available | 2022-05-23T20:22:43Z | - |
dc.date.issued | 2022 | - |
dc.identifier.issn | 0010-4825 | - |
dc.identifier.issn | 1879-0534 | - |
dc.identifier.uri | https://doi.org/10.1016/j.compbiomed.2022.105244 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.13091/2430 | - |
dc.description.abstract | The coronavirus outbreak 2019, called COVID-19, which originated in Wuhan, negatively affected the lives of millions of people and many people died from this infection. To prevent the spread of the disease, which is still in effect, various restriction decisions have been taken all over the world. In addition, the number of COVID-19 tests has been increased to quarantine infected people. However, due to the problems encountered in the supply of RTPCR tests and the ease of obtaining Computed Tomography and X-ray images, imaging-based methods have become very popular in the diagnosis of COVID-19. Therefore, studies using these images to classify COVID-19 have increased. This paper presents a classification method for computed tomography chest images in the COVID-19 Radiography Database using features extracted by popular Convolutional Neural Networks (CNN) models (AlexNet, ResNet18, ResNet50, Inceptionv3, Densenet201, Inceptionresnetv2, MobileNetv2, GoogleNet). The determination of hyperparameters of Machine Learning (ML) algorithms by Bayesian optimization, and ANN-based image segmentation are the two main contributions in this study. First of all, lung segmentation is performed automatically from the raw image with Artificial Neural Networks (ANNs). To ensure data diversity, data augmentation is applied to the COVID-19 classes, which are fewer than the other two classes. Then these images are applied as input to five different CNN models. The features extracted from each CNN model are given as input to four different ML algorithms, namely Support Vector Machine (SVM), k-Nearest Neighbors (k-NN), Naive Bayes (NB), and Decision Tree (DT) for classification. To achieve the most successful classification accuracy, the hyperparameters of each ML algorithm are determined using Bayesian optimization. With the classification made using these hyperparameters, the highest success is obtained as 96.29% with the DenseNet201 model and SVM algorithm. The Sensitivity, Precision, Specificity, MCC, and F1-Score metric values for this structure are 0.9642, 0.9642, 0.9812, 0.9641 and 0.9453, respectively. These results showed that ML methods with the most optimum hyperparameters can produce successful results. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Pergamon-Elsevier Science Ltd | en_US |
dc.relation.ispartof | Computers In Biology And Medicine | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | Bayesian Optimization | en_US |
dc.subject | COVID-19 pandemic | en_US |
dc.subject | Convolutional neural networks | en_US |
dc.subject | Machine learning | en_US |
dc.subject | Chest-X-Ray | en_US |
dc.title | COVID-19 diagnosis using state-of-the-art CNN architecture features and Bayesian Optimization | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1016/j.compbiomed.2022.105244 | - |
dc.identifier.pmid | 35077936 | en_US |
dc.identifier.scopus | 2-s2.0-85123167294 | en_US |
dc.department | Fakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü | en_US |
dc.authorid | Durdu, Akif/0000-0002-5611-2322 | - |
dc.authorid | ASLAN, Muhammet Fatih/0000-0001-7549-0137 | - |
dc.authorwosid | Aslan, Muhammet Fatih/V-8019-2017 | - |
dc.authorwosid | Durdu, Akif/AAQ-4344-2020 | - |
dc.identifier.volume | 142 | en_US |
dc.identifier.wos | WOS:000747363200002 | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.scopusquality | Q1 | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
crisitem.author.dept | 02.04. Department of Electrical and Electronics Engineering | - |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collections Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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1-s2.0-S0010482522000361-main (1).pdf | 4.56 MB | Adobe PDF | View/Open |
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