Details of Dataset018_MetastasisCollectionPrompts — structure, orientations, stats. Invoke when the user asks about dataset layout, case counts, CSV format, or orientation handling.
Located at /ministorage/ahb/data/nnUNet_raw/Dataset018_MetastasisCollectionPrompts. Derived from Dataset015_MetastasisCollection with added text-prompt annotations.
imagesTr/{case_id}_0000.nii.gz — T1c MRI images (symlinks to Dataset015).imagesTr/{case_id}.csv — per-lesion metadata: lesion_number, size_ml, location, location_modifier, axial_slice, bbox dims.labelsTr/{case_id}.nii.gz — binary segmentation masks (symlinks to Dataset015).labelsTr/{case_id}_cc.nii.gz — connected component instance labels (each metastasis uniquely labeled). Missing for 34 empty-foreground cases.labelsTr/{case_id}_atlas.nii.gz — FreeSurfer atlas-based anatomical region labels.splits_final.json — cross-validation splits (symlink to Dataset015).Raw data orientations (all reoriented to RAS at preprocessing via ):
nib.as_closest_canonical()66 unique spacings. Most common: 1 mm isotropic (60.4%).
/ministorage/ahb/data/nnUNet_preprocessed/Dataset018_TextPrompted/ — used by the text-prompted training pipeline. For preempt-GPU jobs, stage to /midtier/paetzollab/scratch/ahb4007/data/nnUNet_preprocessed/Dataset018_TextPrompted/.