NonRadiomicsHabitatFeatures

Note

This page is a reference documentation. It only explains the class signature, and not how to use it. Please refer to the Habitat Guide and Python API guide (v2.0) for usage.

class NonRadiomicsHabitatFeatures

Bases: object

Basic spatial features of one subject’s habitat map.

Per habitat: the number of disconnected (face-connected) regions and the habitat’s volume fraction of the whole ROI, computed by the L0 kernels habitat_region_stats() and habitat_volume_fractions(). These are numerically identical to the v0.1 BasicFeatureExtractor (whose SimpleITK ConnectedComponent ran with SetFullyConnected(False), i.e. the same face connectivity).

Columns keep the v0.1 CSV scheme (num_habitats, {id}_num_regions, {id}_volume_ratio) and, like every v1 family, are emitted for every id the model can assign – zeros when the habitat is absent from this subject – so cohort tables never have ragged columns.

property spec: Spec

Return the algorithm specification.

__call__(subject: Subject, habitat_map: HabitatMap) → FeatureTable

Compute the non-radiomics feature family for one subject.

Parameters:

• subject – Owning subject (labels suffice; intensities unused).

• habitat_map – Habitat labels for that subject.

Returns:

One-row table with region counts and volume ratios per habitat.