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Samples of texture-based radiomics images for COVID-19 and non-COVID-19 images of SARS-COV-2 CT dataset. (a) Original image, (b) heatmaps image of the GLCM, (c) heatmap image of the approximation coefficients of DWT.
COVID-19: coronavirus; CT: computed tomography; GLCM: gray-level covariance matrix; SARS-CoV-2: severe respiratory syndrome coronavirus 2.
