ResNet-50 fine-tuned for 4-class brain tumour classification.

Classes (alphabetical / ImageFolder order): glioma, meningioma, notumor, pituitary

Dataset: masoudnickparvar/brain-tumor-mri-dataset

Architecture: ResNet-50 (IMAGENET1K_V2) + Dropout(0.4) + Linear(2048→4)

Best test accuracy: 0.951

Disclaimer: For educational/research use only. Not a clinical diagnostic tool.