BraTS2021 dataset

The BraTS2021 dataset is an important resource in the field of brain tumor segmentation, consisting of multi-modal magnetic resonance imaging (MRI) data, including four imaging modalities: T1, T1ce, T2, and FLAIR. The imaging data for each patient has a resolution of 240×240×155, with a voxel size of 1×1×1 mm³.