Abstract
The Coronavirus (COVID-19) pandemic was rapid in its outbreak and the contagion of the virus led to an extensive loss of life globally. This study aims to propose an efficient and reliable means to differentiate between Chest X-Rays indicating COVID-19 and other lung conditions. The proposed methodology involved combining deep learning techniques such as data augmentation, CLAHE image normalization, and Transfer Learning with eight pre-trained networks. The highest performing networks for binary, 3-class (Normal vs COVID-19 vs Viral Pneumonia) and 4-class classifications (Normal vs COVID-19 vs Lung Opacity vs Viral Pneumonia) were MobileNetV2, InceptionResNetV2, and MobileNetV2, achieving accuracies of 97.5%, 96.69%, and 92.39%, respectively. These results outperformed many state-of-the-art methods conducted to address the challenges relating to the detection of COVID-19 from Chest X-Rays. The method proposed can serve as a basis for a computer-aided diagnosis (CAD) system to ensure that patients receive timely and necessary care for their respective illnesses.
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