VIDS Validation Rules (v1.0)

VIDS compliance is determined by running the reference validator.

A dataset is compliant if it has zero FAIL rules.

Structure rules (S*)

• S001: .vids marker exists.
• S002: dataset_description.json exists and includes required fields: Name, VIDSVersion, DatasetVersion, License, Description, Authors.
• S003: participants.json or participants.tsv exists.
• S004: README.md exists.
• S005: at least one sub-* directory exists.
• S006: each subject has at least one ses-* directory.

Imaging rules (I*)

• I001: imaging NIfTI exists per subject (*_img.nii.gz or *_img.nii).
• I002: imaging sidecar exists (*_img.json).
• I003: imaging sidecars are valid JSON.
• I004: naming convention check; non-conforming files are WARN in the validator.

Annotation rules (A*)

• A001: derivatives/annotations/ exists.
• A002: segmentation files exist (*_seg.nii.gz or *_seg.nii).
• A003: segmentation sidecars exist (*_seg.json).
• A004: segmentation sidecars are valid JSON and include VIDSVersion.
• A005: provenance completeness: annotator identity and tool/date recorded (minimums).

Quality rules (Q*) — Full only

• Q001: quality/ exists.
• Q002: quality/quality_summary.json exists.
• Q003: quality/annotation_agreement.json exists.

ML rules (M*) — Full only

• M001: ml/ exists.
• M002: ml/splits.json exists.

Metadata rule (D*)

• D001: CHANGES.md exists; missing is WARN (recommended).