medarc/adni_eval

ADNI sMRI Evaluation v0.1

Private evaluation cohort derived from ADNI data for frozen-backbone structural MRI evaluation. Access and use remain subject to the ADNI Data Use Agreement. Do not make this repository public or redistribute its contents outside authorized ADNI users.

Splits

• train: 2,000 scans
• validation: 500 scans
• test: 500 scans

Participants do not cross splits. The training subsets of 500, 1,000, and 2,000 samples are nested using the train_rank column.

Loading

from datasets import load_dataset

dataset = load_dataset("medarc/adni_eval", token=True)

The Arrow shards embed the NIfTI bytes in the nifti feature. SynthSeg output names are stored in synthseg_volume_names.json.