BraTS 2015

The BraTS 2015 dataset is a dataset for brain tumor image segmentation. It consists of 220 high grade gliomas (HGG) and 54 low grade gliomas (LGG) MRIs. The four MRI modalities are T1, T1c, T2, and T2FLAIR. Segmented “ground truth” is provide about four intra-tumoral classes, viz. edema, enhancing tumor, non-enhancing tumor, and necrosis.

Source: The Multimodal Brain Tumor Image Segmentation Benchmark (BRATS)

Homepage: https://www.smir.ch/BRATS/Start2015