Radiomic Features¶ This section contains the definitions of the various features that can be extracted using PyRadiomics. They are subdivided into the following classes: First Order Statistics (19 features) Shape-based (3D) (16 features) Shape-based (2D) (10 features) Gray Level Co-occurrence Matrix (24 features) Gray Level Run Length Matrix (16 features) Gray Level Size Zone Matrix (16 features)