Table 2:

Open-source datasets for stroke and hemorrhage

Dataset	Cerebrovascular Disease	Annotated Data	Number of Scans	Imaging Technique
Anatomical Tracings of Lesions After Stroke (ATLAS)¹⁹	Subacute or chronic ischemic strokes	Manually segmented stroke lesions	304	T1-weighted MR imaging
CQ500²⁰	Hemorrhage	Hemorrhage, subtype, location, and associated hemorrhage findings	491	CT
RSNA Brain Hemorrhage CT Dataset²¹	Hemorrhage	Hemorrhage, subtypes	874,035	CT
Ischemic Stroke Lesion Segmentation (ISLES) 2016–2017²²	Ischemic stroke	Perfusion and diffusion MR imaging of patients with stroke and clinical outcomes	35 training and 19 testing (2016); 43 training and 32 testing (2017)	MR imaging, MRP
ISLES 2018²³	Ischemic stroke	CT and perfusion of patients with stroke	94 labeled training images and 62 unlabeled testing images	CT, CTP

Note:—MRP indicates MR perfusion.