Classification by a stacking model using CNN features for COVID-19 infection diagnosis

Affecting millions of people all over the world, the COVID-19 pandemic has caused the death of hundreds of thousands of people since its beginning. Examinations also found that even if the COVID-19 patients initially survived the coronavirus, pneumonia left behind by the virus may still cause severe...

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Veröffentlicht in:Journal of X-ray science and technology Jg. 30; H. 1; S. 73
Hauptverfasser: Taspinar, Yavuz Selim, Cinar, Ilkay, Koklu, Murat
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Netherlands 01.01.2022
Schlagworte:
Algorithms
COVID-19
COVID-19 Testing
Deep Learning
Humans
Pandemics
Pneumonia, Viral
SARS-CoV-2
COVID-19
Stacking model
Convolutional neural network
X-ray chest images
ISSN:1095-9114, 1095-9114
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Zusammenfassung:Affecting millions of people all over the world, the COVID-19 pandemic has caused the death of hundreds of thousands of people since its beginning. Examinations also found that even if the COVID-19 patients initially survived the coronavirus, pneumonia left behind by the virus may still cause severe diseases resulting in organ failure and therefore death in the future. The aim of this study is to classify COVID-19, normal and viral pneumonia using the chest X-ray images with machine learning methods. A total of 3486 chest X-ray images from three classes were first classified by three single machine learning models including the support vector machine (SVM), logistics regression (LR), artificial neural network (ANN) models, and then by a stacking model that was created by combining these 3 single models. Several performance evaluation indices including recall, precision, F-1 score, and accuracy were computed to evaluate and compare classification performance of 3 single four models and the final stacking model used in the study. As a result of the evaluations, the models namely, SVM, ANN, LR, and stacking, achieved 90.2%, 96.2%, 96.7%, and 96.9%classification accuracy, respectively. The study results indicate that the proposed stacking model is a fast and inexpensive method for assisting COVID-19 diagnosis, which can have potential to assist physicians and nurses to better and more efficiently diagnose COVID-19 infection cases in the busy clinical environment.
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ISSN:1095-9114
1095-9114
DOI:10.3233/XST-211031