Table 1.
Robustness of texture features to reconstruction
| Classification | Texture matrix | CV ≤ 5% | 5% < CV ≤ 10% | 10% < CV ≤ 20% | CV > 20% |
|---|---|---|---|---|---|
| 1st order | Histogram | SUVavg/SULpeak/TLG/MTV/surface area/asphericity/entropy | SUVmax/SD/kurtosis | Skewness | Variance |
| 2nd order | GLCM | Entropy/homogeneity/dissimilarity | Energy/contrast/IDM/LNE | ||
| Higher order | NGTDM | Coarseness/contrast/strength | Busyness/complexity | ||
| GLRLM | SRE/LRE/RLNU/RP | HGRE/HGSRE | GLNUr/HGLRE | LGRE/LGSRE/LGLRE | |
| GLSZM | SZE/GLNUs/ZP | ZLNU/HGZE/HGSZE | LZE/LGZE/HGLZE | LGSZE/LGLZE |
Modified from Shiri (2017) [31] with formal permission
CV coefficient of variation, GLCM gray-level co-occurrence matrix, GLNUr gray-level non-uniformity for run, GLNUs gray-level non-uniformity for size, GLRLM gray-level run-length matrix, GLSZM gray-level size-zone matrix, HGLRE high gray-level long-run emphasis, HGLZE high gray-level long-zone emphasis, HGRE high gray-level run emphasis, HGSRE high gray-level short-run emphasis, HGSZE high gray-level short-zone emphasis, HGZE high gray-level zone emphasis, IDM intensity difference moment, IFH intensity frequency histogram, LGLRE low gray-level long-run emphasis, LGLZE low gray-level long-zone emphasis, LGRE low gray-level run emphasis, LGSRE low gray-level short-run emphasis, LGSZE low gray-level short-zone emphasis, LGZE low gray-level zone emphasis, LRE long run emphasis, LZE long-zone emphasis, MTV metabolic tumor volume, NGTDM neighborhood gray-tone difference matrix, RLNU run-length non-uniformity, RP run percentage, SD standard deviation, SRE short-run emphasis, SUV standardized uptake value, SZE short-zone emphasis, TLG total lesion glycolysis, ZLNU zone-length non-uniformity, ZP zone percentage