Fig. 2From: Differentiating nontuberculous mycobacterium pulmonary disease from pulmonary tuberculosis through the analysis of the cavity features in CT images using radiomicsVariance threshold on feature select. We selected 857 radiomics features using variance threshold method (variance threshold = 0.8). The abscissa was the number of features, and the ordinate was the filtering method. Light blue in the bar indicates the number of original features, and dark blue indicated the number of filtered featuresBack to article page