Table 1.

List of all 66 IBSI-compliant features common to both software (LIFEx and PyRadiomics), divided into different classes

Shape	Histogram		GLCM		GLRLM	GLZLM	NGTDM
Voxel Volume Surface Area Sphericity Maximum3DDiameter	Skewness Kurtosis Entropy Energy Uniformity Mean Median Minimum	10th Percentile 90th Percentile Maximum InterquantileRange Range MeanAbsolute Deviation (MAD) RobustMean AbsoluteDeviation(rMAD) Variance	Contrast Correlation Dissimilarity Energy Entropy InverseDifference Autocorrelation JointAverage ClusterProminance ClusterTendency	ClusterShade DifferenceVariance DifferenceEntropy InverseVariance SumEntropy JointVariance JointMaximum NormalizedInverse Difference (NID)	Short Run Emphasis (SRE) Long Run Emphasis (LRE) Gray Level Non-Uniformity (GLNU) Run Length Non-Uniformity (RLNU) Run Percentage (RP) Low Gray Level Run Emphasis (LGRE) High Gray Level Run Emphasis (HGRE) Short Run Low Gray Level Emphasis (SRLGE) Short Run High Gray Level Emphasis (SRHGE) Long Run Low Gray Level Emphasis (LRLGE) Long Run High Gray Level Emphasis (LRHGE)	Small Zone Emphasis (SZE) Large Zone Emphasis (LZE) Gray Level Non Uniformity (GLNU) Zone Size Non Uniformity (ZLNU) Zone Percentage (ZP) Gray Level Variance (GLV) Low Gray Level Zone Emphasis (LGZE) High Gray Level Zone Emphasis (HGZE) Small Zone Low Gray Level Emphasis (SZLGE) Small Zone High Gray Level Emphasis (SZHGE) Large Zone Low Gray Level Emphasis (LZLGE) Large Zone High Gray Level Emphasis (LZHGE)	Coarseness Complexity Busyness Strength Contrast

GLCM Gray-level co-occurrence matrix, GLRLM Gray-level run length matrix, GLZLM Gray-level size zone matrix, NGTDM Neighboring gray-tone difference matrix