Table 2 Dataset distribution.
From: Brain tumor detection with real-world predictions in Jordan hospitals
Class | Original count | After balancing | Source ratio (public: Jordan) | MRI sequences | Tumor size range (mm) |
|---|---|---|---|---|---|
Glioma | 1621 | 2000 | 70%:30% | T1-CE, T2, FLAIR | 5–85 |
Meningioma | 1645 | 2000 | 65%:35% | T1-CE, T2 | 8–75 |
Pituitary | 1757 | 2000 | 75%:25% | T1-CE | 3–40 |
Healthy | 2000 | 2000 | 100%:0% | T1, T2 | N/A |
