TABLE 2.
Commonly used radiomic feature families arranged by feature type
| Feature type | Feature family |
|---|---|
| Shape | Morphology |
| First‐order | Local Intensity |
| Intensity‐based Statistics | |
| Intensity Histogram | |
| Second‐order | Grey Level Co‐occurrence Matrix (GLCM) |
| Grey Level Run Length Matrix (GLRLM) | |
| Grey Level Size Zone Matrix (GLSZM) | |
| Grey Level Distance Zone Matrix (GLDZM) | |
| Neighborhood Grey Tone Difference Matrix (NGTDM) | |
| Neighboring Grey Level Dependence Matrix (NGLDM) | |
| Laws | |
| Gabor | |
| Higher‐order | Wavelets |
| Laplacian of Gaussian (LoG) |