Covid-19 Diagnostic Using 3D Deep Transfer Learning For Classification Of Volumetric Computerised Tomography Chest Scans
Shuohan Xue, Charith Abhayaratne
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The Novel Coronavirus, known as COVID-19, can cause acute respiratory distress syndrome symptoms to human beings and has become a major threat to public health [1]. This paper proposes a COVID-19 diagnosis based on analysis of Computerised tomography (CT) chest scans. In recent years, deep learning-based analysis of CT chest scans has demonstrated competitive sensitivity for pneumonia prognosis. We exploit a 3D Network-based transfer learning approach to classify volumetric CT scans with a novel pre-processing method to render the volume with salient features. This work uses the pre-trained 3D ResNet50 as the backbone network. The 3D network is trained on a dataset consisting of3 classes: Community-Acquired Pneumonia(CAP), COVID-19 and Normal patient. The experimental results using 4-fold cross-validation has shown an overall accuracy of 86.94%with the COVID-19 sensitivity and specificity attaining to87.79%and89.88%, respectively.