The Grand Challenge of SMRA 2024: Intracranial Aneurysm and Intracranial Artery Stenosis Detection and Segmentation Challenge (INSTED 2024) has been endorsed by MICCAI 2024. Thus, the INSTED2024 challenge will take place:

  • At the MICCAI 2024 Annual Conference (October 6-13, 2024) as an online session.
  • At the SMRA 2024 Annual Conference (November 12-15, 2024) as an in-person session.

The objective of this challenge is to detect and segment lesions on 3D TOF-MRA images acquired from a cohort of healthy volunteers and patients with intracranial artery stenosis or intracranial aneurysms. The website for INSTED2024 challenge is now live.

Please visit the following link for further details: The INSTED2024 challenge will begin on June 1st, 2024, at which time the training data will be released.

We are looking forward to your participation! If you have any further questions please contact Dr. Huijun Chen at