Datasets

Download Commands

# List available datasets
python scripts/download_dataset.py --list

# Download for tests (NIfTI + DICOM)
python scripts/download_dataset.py --all-tests

# Download specific dataset
python scripts/download_dataset.py msd-brain-tumour
python scripts/download_dataset.py msd-lung
python scripts/download_dataset.py nsclc-radiomics

# Download without AWS credentials (public sources only)
python scripts/download_dataset.py msd-brain-tumour --public

Available Datasets

Dataset	Format	Size	Samples	Use Case
msd-brain-tumour	NIfTI	~1.5GB	10	Tests, tutorials 1-5
msd-lung	NIfTI	~8.5GB	63	ML tutorials 6-7
nsclc-radiomics	DICOM	~500MB	10	DICOM parsing tests

External Data Sources

For additional radiology datasets, these sources offer programmatic access:

Source	Format	Access
Medical Segmentation Decathlon	NIfTI	aws s3 sync --no-sign-request s3://msd-for-monai/ ./
TCIA	DICOM	pip install tcia_utils
OpenNeuro	NIfTI/BIDS	pip install openneuro-py
IXI Dataset	NIfTI	Direct wget