HeGou/TopCoW24-Seg

About

This is a subset of the TopCow24 dataset.

• 125 pairs of MRA and CTA images and segmentation masks
• No change to any image or segmentation mask

This dataset is released under the CC BY-NC-SA 4.0 license.

News 🔥

• [10 Oct, 2025] This dataset is integrated into 🔥MedVision🔥

Official Release

For more information, please go to the TopCow24 Challenge.

• Data License (official): https://drive.switch.ch/index.php/s/rkqOO3adjmJVlMz
• Challenge (official): https://topcow24.grand-challenge.org
• Data (official): https://topcow24.grand-challenge.org/data/

Download from Huggingface

#!/bin/bash
pip install huggingface-hub[cli]
huggingface-cli login --token $HF_TOKEN

# python
from huggingface_hub import snapshot_download
snapshot_download(repo_id="YongchengYAO/TopCoW24-Seg", repo_type='dataset', local_dir="/your/local/folder")

Segmentation Labels

‼️This is no an official label map.

Please see the labels description in Task-1-CoW-Segmentation.

labels_map = {
    1: "Basilar artery (BA)",
    2: "Right posterior cerebral artery (R-PCA)",
    3: "Left posterior cerebral artery (L-PCA)",
    4: "Right internal carotid artery (R-ICA)",
    5: "Right middle cerebral artery (R-MCA)",
    6: "Left internal carotid artery (L-ICA)",
    7: "Left middle cerebral artery (L-MCA)",
    8: "Right posterior communicating artery (R-Pcom)",
    9: "Left posterior communicating artery (L-Pcom)",
    10: "Anterior communicating artery (Acom)",
    11: "Right anterior cerebral artery (R-ACA)",
    12: "Left anterior cerebral artery (L-ACA)",
    15: "Third A2 segment (3rd-A2)",
}