On the use of deep learning for imaging-based COVID-19 detection using chest X-rays

Gabriel Iluebe Okolo*, Stamos Katsigiannis, Turke Althobaiti, Naeem Ramzan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The global COVID-19 pandemic that started in 2019 and created major disruptions around the world demonstrated the imperative need for quick, inexpensive, accessible and reliable diagnostic methods that would allow the detection of infected individuals with minimal resources. Radiography, and more specifically, chest radiography, is a relatively inexpensive medical imaging modality that can potentially offer a solution for the diagnosis of COVID-19 cases. In this work, we examined eleven deep convolutional neural network architectures for the task of classifying chest X-ray images as belonging to healthy individuals, individuals with COVID-19 or individuals with viral pneumonia. All the examined networks are established architectures that have been proven to be efficient in image classification tasks, and we evaluated three different adjustments to modify the architectures for the task at hand by expanding them with additional layers. The proposed approaches were evaluated for all the examined architectures on a dataset with real chest X-ray images, reaching the highest classification accuracy of 98.04% and the highest F1-score of 98.22% for the best-performing setting.

Original languageEnglish
Article number5702
Number of pages20
JournalSensors
Volume21
Issue number17
DOIs
Publication statusPublished - 24 Aug 2021

Keywords

  • chest X-ray
  • CNN
  • COVID-19
  • deep learning
  • image classification

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