Table 2.

Feature Extraction Algorithms Used in the Study with Estimated Feature Names

Radiomic feature Category, Feature name and its Feature abbreviation
Gray Level Co-occurrence Matrix (GLCM)	Histogram	Gray Level Run Length Matrix (GLRLM)	Neighborhood Intensity Difference (NID)
Auto Correlation Cluster Prominence Cluster Shade Cluster Tendency Difference Entropy Dissimilarity Entropy Homogeneity1 InformationMeasureCorr1 InformationMeasureCorr2 Inverse Diff Moment Norm Inverse Diff Norm Inverse Variance Max Probability Sum Average Sum Entropy Sum Variance Variance Contrast Correlation Energy Homogeneity2	Energy Root Mean Square Variance Kurtosis Skewness Range Inter Quartile Range Global Entropy Global Uniformity Global Max Global Mean Global standard deviation Mean Absolute Deviation	Gray Level Non uniformity High Gray Level Run Emphasis Long Run Emphasis Long Run High Gray-Level Emphasis Long Run Low Gray-Level Emphasis Low Gray-Level Run Emphasis Run Length Non uniformity Run Percentage Short Run Emphasis Short Run High Gray-Level Emphasis Short Run Low Gray Level Emphasis	Busyness Coarseness Complexity Contrast Texture Strength