This dataset contains 7,023 human brain MRI images organized into four categories:
Glioma
Meningioma
Pituitary
No Tumor
It is designed for research in brain tumor detection and classification using deep learning methods. The dataset is a combination of three sources: Figshare, SARTAJ, and Br35H. Note that the "No Tumor" class images were sourced from the Br35H dataset.