Table 2 Radiomic features extracted from the SUV and Ki images
Category | Features |
|---|---|
Gray-level co-occurrence matrix (GLCM) | Homogeneity, Energy, Contrast, Correlation, Entropy, Entropy log2, Dissimilarity |
Neighboring gray-level dependence matrix (NGLDM) | Coarseness, Contrast, Busyness |
Gray-level run length matrix (GLRLM) | SRE, LRE, LGRE, HGRE, SRLGE, SRHGE, LRLGE, LRHGE, GLNU, RLNU, RP |
Gray-level zone length matrix (GLZLM) | SZE, LZE, LGZE, HGZE, SZLGE, SZHGE, LZLGE, LZHGE, GLNU, ZLNU, ZP |
Shape | Sphericity, Compacity, Surface, Volume (ml, vx) |
First-order features from the histogram | Entropy, Entropy log2, Uniformity, AUC_CSH |
Conventional and discretized indices | Q1, Q2, Q3, min, mean, max, Standard Deviation, peak, TLG, Skewness, Kurtosis, Excess Kurtosis |