The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
schema_version: string
taxonomy_version: string
evidence_build: null
evidence_note: string
promotion_thresholds: struct<note: string, model_trained_min_frames: int64, model_trained_min_patients: int64, model_train (... 86 chars omitted)
child 0, note: string
child 1, model_trained_min_frames: int64
child 2, model_trained_min_patients: int64
child 3, model_trained_min_sites: int64
child 4, experimental_min_frames: int64
child 5, experimental_min_patients: int64
levels: struct<modality: struct<index: list<item: string>, indeterminate: string, description: string>, regi (... 168 chars omitted)
child 0, modality: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
child 1, region: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
child 2, organ: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
parents: struct<note: string, organ_to_region: struct<BRAIN: string, THYROID: string, LUNG_LEFT: string, LUNG (... 580 chars omitted)
child 0, note: string
chi
...
gion: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 16, 41216001: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 17, 35039007: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 18, 15497006: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 19, 76752008: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 20, 71341001: struct<region: string, organs_unknown: list<item: string>>
child 0, region: string
child 1, organs_unknown: list<item: string>
child 0, item: string
modality_tag: struct<note: string, US: string, IVUS: string, CT: string, MR: string, CR: string, DX: string, RF: s (... 78 chars omitted)
child 0, note: string
child 1, US: string
child 2, IVUS: string
child 3, CT: string
child 4, MR: string
child 5, CR: string
child 6, DX: string
child 7, RF: string
child 8, XA: string
child 9, MG: string
child 10, PT: string
child 11, NM: string
child 12, OT: string
child 13, SC: string
to
{'schema_version': Value('string'), 'taxonomy_version': Value('string'), 'unmapped_policy': Value('string'), 'unmapped_policy_note': Value('string'), 'modality_tag': {'note': Value('string'), 'US': Value('string'), 'IVUS': Value('string'), 'CT': Value('string'), 'MR': Value('string'), 'CR': Value('string'), 'DX': Value('string'), 'RF': Value('string'), 'XA': Value('string'), 'MG': Value('string'), 'PT': Value('string'), 'NM': Value('string'), 'OT': Value('string'), 'SC': Value('string')}, 'body_part_examined': {'note': Value('string'), 'ABDOMEN': {'region': Value('string')}, 'ABDOMENPELVIS': {'region': Value('string')}, 'ABDOMINALAORTA': {'region': Value('string'), 'organs': List(Value('string'))}, 'LIVER': {'region': Value('string'), 'organs': List(Value('string'))}, 'KIDNEY': {'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'PANCREAS': {'region': Value('string'), 'organs': List(Value('string'))}, 'SPLEEN': {'region': Value('string'), 'organs': List(Value('string'))}, 'GALLBLADDER': {'region': Value('string'), 'organs': List(Value('string'))}, 'CHEST': {'region': Value('string')}, 'LUNG': {'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'BREAST': {'region': Value('string'), 'organs': List(Value('string'))}, 'HEART': {'region': Value('string'), 'organs': List(Value('string'))}, 'THYROID': {'region': Value('string'), 'organs': List(Value('string'))}, 'NECK': {'region': Value('string')}, 'HEAD': {'region': Value('string')}, 'BRAIN': {'r
...
string'))}, 'Task05_Prostate': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task06_Lung': {'modality': Value('string'), 'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'Task07_Pancreas': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task08_HepaticVessel': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task09_Spleen': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task10_Colon': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}}}, 'amos22': {'modality': Value('string'), 'modality_note': Value('string'), 'exhaustive_organ_labels': Value('bool'), 'min_mask_pixels': Value('int64'), 'structures': {'1': List(Value('string')), '2': List(Value('string')), '3': List(Value('string')), '4': List(Value('string')), '5': List(Value('string')), '6': List(Value('string')), '7': List(Value('string')), '8': List(Value('string')), '9': List(Value('string')), '10': List(Value('string')), '11': List(Value('string')), '12': List(Value('string')), '13': List(Value('string')), '14': List(Value('string')), '15': {'organs_unknown': List(Value('string')), 'note': Value('string')}}}}, 'region_from_slice_position': {'note': Value('string'), 'rules': List({'organ_present_any': List(Value('string')), 'region': Value('string')}), 'multi_region_rule': Value('string')}}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
schema_version: string
taxonomy_version: string
evidence_build: null
evidence_note: string
promotion_thresholds: struct<note: string, model_trained_min_frames: int64, model_trained_min_patients: int64, model_train (... 86 chars omitted)
child 0, note: string
child 1, model_trained_min_frames: int64
child 2, model_trained_min_patients: int64
child 3, model_trained_min_sites: int64
child 4, experimental_min_frames: int64
child 5, experimental_min_patients: int64
levels: struct<modality: struct<index: list<item: string>, indeterminate: string, description: string>, regi (... 168 chars omitted)
child 0, modality: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
child 1, region: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
child 2, organ: struct<index: list<item: string>, indeterminate: string, description: string>
child 0, index: list<item: string>
child 0, item: string
child 1, indeterminate: string
child 2, description: string
parents: struct<note: string, organ_to_region: struct<BRAIN: string, THYROID: string, LUNG_LEFT: string, LUNG (... 580 chars omitted)
child 0, note: string
chi
...
gion: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 16, 41216001: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 17, 35039007: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 18, 15497006: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 19, 76752008: struct<region: string, organs: list<item: string>>
child 0, region: string
child 1, organs: list<item: string>
child 0, item: string
child 20, 71341001: struct<region: string, organs_unknown: list<item: string>>
child 0, region: string
child 1, organs_unknown: list<item: string>
child 0, item: string
modality_tag: struct<note: string, US: string, IVUS: string, CT: string, MR: string, CR: string, DX: string, RF: s (... 78 chars omitted)
child 0, note: string
child 1, US: string
child 2, IVUS: string
child 3, CT: string
child 4, MR: string
child 5, CR: string
child 6, DX: string
child 7, RF: string
child 8, XA: string
child 9, MG: string
child 10, PT: string
child 11, NM: string
child 12, OT: string
child 13, SC: string
to
{'schema_version': Value('string'), 'taxonomy_version': Value('string'), 'unmapped_policy': Value('string'), 'unmapped_policy_note': Value('string'), 'modality_tag': {'note': Value('string'), 'US': Value('string'), 'IVUS': Value('string'), 'CT': Value('string'), 'MR': Value('string'), 'CR': Value('string'), 'DX': Value('string'), 'RF': Value('string'), 'XA': Value('string'), 'MG': Value('string'), 'PT': Value('string'), 'NM': Value('string'), 'OT': Value('string'), 'SC': Value('string')}, 'body_part_examined': {'note': Value('string'), 'ABDOMEN': {'region': Value('string')}, 'ABDOMENPELVIS': {'region': Value('string')}, 'ABDOMINALAORTA': {'region': Value('string'), 'organs': List(Value('string'))}, 'LIVER': {'region': Value('string'), 'organs': List(Value('string'))}, 'KIDNEY': {'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'PANCREAS': {'region': Value('string'), 'organs': List(Value('string'))}, 'SPLEEN': {'region': Value('string'), 'organs': List(Value('string'))}, 'GALLBLADDER': {'region': Value('string'), 'organs': List(Value('string'))}, 'CHEST': {'region': Value('string')}, 'LUNG': {'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'BREAST': {'region': Value('string'), 'organs': List(Value('string'))}, 'HEART': {'region': Value('string'), 'organs': List(Value('string'))}, 'THYROID': {'region': Value('string'), 'organs': List(Value('string'))}, 'NECK': {'region': Value('string')}, 'HEAD': {'region': Value('string')}, 'BRAIN': {'r
...
string'))}, 'Task05_Prostate': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task06_Lung': {'modality': Value('string'), 'region': Value('string'), 'organs_unknown': List(Value('string'))}, 'Task07_Pancreas': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task08_HepaticVessel': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task09_Spleen': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}, 'Task10_Colon': {'modality': Value('string'), 'region': Value('string'), 'organs': List(Value('string'))}}}, 'amos22': {'modality': Value('string'), 'modality_note': Value('string'), 'exhaustive_organ_labels': Value('bool'), 'min_mask_pixels': Value('int64'), 'structures': {'1': List(Value('string')), '2': List(Value('string')), '3': List(Value('string')), '4': List(Value('string')), '5': List(Value('string')), '6': List(Value('string')), '7': List(Value('string')), '8': List(Value('string')), '9': List(Value('string')), '10': List(Value('string')), '11': List(Value('string')), '12': List(Value('string')), '13': List(Value('string')), '14': List(Value('string')), '15': {'organs_unknown': List(Value('string')), 'note': Value('string')}}}}, 'region_from_slice_position': {'note': Value('string'), 'rules': List({'organ_present_any': List(Value('string')), 'region': Value('string')}), 'multi_region_rule': Value('string')}}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
OrganScan training corpus — recipe and provenance
This repository publishes the recipe, not the pixels.
Medical imaging corpora carry licences that differ source by source, and several forbid redistribution outright. More importantly, frames rendered from DICOM can carry burned-in patient identifiers even after tag-level de-identification. Rather than ship images that are easy to misuse, this repo contains everything needed to rebuild the corpus from the pinned upstream releases.
What is here
| File | Purpose |
|---|---|
sources.json |
Every source with its pinned revision, checksum, licence, access status, and training decision |
anatomy-tiers.json |
The three-level taxonomy, the organ -> region parent map, and which classes are actually trained |
anatomy-mappings.json |
Explicit decision for every upstream class and DICOM tag value; no default branch |
canonical-frame-row.schema.json |
The row schema every source is normalised to |
preprocessor.json |
Exact pixel handling, so a rebuild is byte-comparable |
build-manifest.json |
Counts by split, source, modality, organ — and patients, not just frames |
Corpus shape
| Split | Frames | Patients |
|---|---|---|
| train | 82,354 | see build-manifest.json |
| validation | 10,280 | see build-manifest.json |
| test | 15,395 | see build-manifest.json |
| Modality | Frames |
|---|---|
| CT | 83,318 |
| MR | 1,880 |
| US | 14,907 |
| XR | 7,924 |
Why patient counts are printed next to frame counts
300 consecutive frames from one cine loop carry roughly the information of one sample. MedMNIST
OrganAMNIST is 58,830 images from 201 CT scans — 293 images per patient. Training on the raw
count inflates every metric and teaches the model scanner identity. sampling_policy in
sources.json caps frames per patient before anything is written, and the builder enforces it.
Redistribution status by source
| Source | Licence | Access | Redistributed here |
|---|---|---|---|
medmnist-plus-organamnist-224 |
CC-BY-4.0 | open | recipe only |
medmnist-plus-organcmnist-224 |
CC-BY-4.0 | open | recipe only |
medmnist-plus-organsmnist-224 |
CC-BY-4.0 | open | recipe only |
medmnist-plus-breastmnist-224 |
CC-BY-4.0 | open | recipe only |
medmnist-plus-chestmnist-224 |
CC-BY-4.0 | open | recipe only |
msu-abdominal-ultrasound |
CC-BY-4.0 | open_manual_browser_download | recipe only |
fetal-planes-db |
CC-BY-4.0 | open | recipe only |
totalsegmentator-ct-sample |
CC-BY-4.0 | open | recipe only |
totalsegmentator-ct-v300 |
CC-BY-4.0 | open | recipe only |
amos22 |
CC-BY-4.0 | open | recipe only |
medical-segmentation-decathlon |
CC-BY-SA-4.0 | open_but_unresolved_host | recipe only |
rocov2 |
CC-BY-NC-4.0 | open | no — licence forbids |
radimagenet |
undefined | registration_and_agreement_required | no — licence forbids |
camus |
undefined | registration_required | no — licence forbids |
echonet-dynamic |
Stanford EchoNet-Dynamic Dataset Research Use Agreement | signed_research_use_agreement | no — licence forbids |
echonet-lvh |
Stanford EchoNet-LVH Dataset Research Use Agreement | signed_research_use_agreement | no — licence forbids |
busi-original |
undefined | mirror_only | no — licence forbids |
tn3k |
undefined | third_party_drive | no — licence forbids |
ddti |
undefined | source_site_unavailable | no — licence forbids |
mmotu |
undefined | third_party_drive | no — licence forbids |
pocus-covid19-ultrasound |
mixed per-file (CC-BY-4.0, CC-BY-NC-4.0, all-rights-reserved) | open | no — licence forbids |
biomedclip |
MIT tag, but the model card restricts use | open | no — licence forbids |
usfm |
CC-BY-NC-4.0 | third_party_drive | no — licence forbids |
Rebuild it
git clone https://github.com/palarnab/organscan && cd organscan
python downloaded-training-data/download.py # pinned revisions, checksum-verified
python scripts/build_frame_dataset.py
python scripts/validate_frame_dataset.py # leakage, mask coherence, coverage
The build fails rather than silently dropping data when an unmapped upstream class appears, and validation fails on patient leakage across splits, identical frames in two splits, or a weak label found in an evaluation split.
Attribution
Every source below requires credit, and every one of them was modified — sliced from volumes or cine
loops, windowed, resized to 224×224, capped per patient, and relabelled into the OrganScan taxonomy.
Full per-source detail, including the exact modifications, is in sources.json under each entry's
attribution block.
| Source | Creators | Licence | Frames used |
|---|---|---|---|
| TotalSegmentator CT dataset v3.0.0 | Jakob Wasserthal et al. | CC-BY-4.0 | 61,902 |
| AMOS22: A Large-Scale Abdominal Multi-Organ Benchmark for Versatile Medical Image Segmentation | Yuanfeng Ji et al. | CC-BY-4.0 | 11,480 |
| FETAL_PLANES_DB: Common maternal-fetal ultrasound images | Xavier P. Burgos-Artizzu et al. | CC-BY-4.0 | 10,748 |
| MedMNIST v2 (ChestMNIST, 224px) | Jiancheng Yang et al. | CC-BY-4.0 | 7,924 |
| MedMNIST v2 (OrganSMNIST, 224px) | Jiancheng Yang et al. | CC-BY-4.0 | 4,000 |
| MedMNIST v2 (OrganAMNIST, 224px) | Jiancheng Yang et al. | CC-BY-4.0 | 3,914 |
| MedMNIST v2 (OrganCMNIST, 224px) | Jiancheng Yang et al. | CC-BY-4.0 | 3,902 |
| Abdominal Ultrasound Image Dataset for Organ Classification and Disease Detection | Sifat Zina Karim | CC-BY-4.0 | 3,380 |
| MedMNIST v2 (BreastMNIST, 224px) | Jiancheng Yang et al. | CC-BY-4.0 | 779 |
OrganScan is trained on the following datasets, all of which were modified
(sliced to 2D, windowed, resized to 224px, and relabelled):
- TotalSegmentator CT dataset v3.0.0
Jakob Wasserthal, Hanns-Christian Breit, Manfred T. Meyer, Maurice Pradella, Daniel Hinck, Alexander W. Sauter, Tobias Heye, Daniel T. Boll, Joshy Cyriac, Shan Yang, Michael Bach, Martin Segeroth - CC-BY-4.0
https://zenodo.org/records/22688904
- AMOS22: A Large-Scale Abdominal Multi-Organ Benchmark for Versatile Medical Image Segmentation
Yuanfeng Ji, Haotian Bai, Chongjian Ge, Jie Yang, Ye Zhu, Ruimao Zhang, Zhen Li, Lingyan Zhang, Wanling Ma, Xiang Wan, Ping Luo - CC-BY-4.0
https://zenodo.org/records/7262581
- FETAL_PLANES_DB: Common maternal-fetal ultrasound images
Xavier P. Burgos-Artizzu, David Coronado-Gutierrez, Brenda Valenzuela-Alcaraz, Elisenda Bonet-Carne, Elisenda Eixarch, Fatima Crispi, Eduard Gratacós - CC-BY-4.0
https://zenodo.org/records/3904280
- MedMNIST v2 (ChestMNIST, 224px)
Jiancheng Yang, Rui Shi, Donglai Wei, Zequan Liu, Lin Zhao, Bilian Ke, Hanspeter Pfister, Bingbing Ni - CC-BY-4.0
https://zenodo.org/records/10519652
- MedMNIST v2 (OrganSMNIST, 224px)
Jiancheng Yang, Rui Shi, Donglai Wei, Zequan Liu, Lin Zhao, Bilian Ke, Hanspeter Pfister, Bingbing Ni - CC-BY-4.0
https://zenodo.org/records/10519652
- MedMNIST v2 (OrganAMNIST, 224px)
Jiancheng Yang, Rui Shi, Donglai Wei, Zequan Liu, Lin Zhao, Bilian Ke, Hanspeter Pfister, Bingbing Ni - CC-BY-4.0
https://zenodo.org/records/10519652
- MedMNIST v2 (OrganCMNIST, 224px)
Jiancheng Yang, Rui Shi, Donglai Wei, Zequan Liu, Lin Zhao, Bilian Ke, Hanspeter Pfister, Bingbing Ni - CC-BY-4.0
https://zenodo.org/records/10519652
- Abdominal Ultrasound Image Dataset for Organ Classification and Disease Detection
Sifat Zina Karim - CC-BY-4.0
https://scholarsjunction.msstate.edu/research-data/5/
- MedMNIST v2 (BreastMNIST, 224px)
Jiancheng Yang, Rui Shi, Donglai Wei, Zequan Liu, Lin Zhao, Bilian Ke, Hanspeter Pfister, Bingbing Ni - CC-BY-4.0
https://zenodo.org/records/10519652
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