Create README.md

README.md

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+# LLAVABrain Dataset
+
+This is a LLAVA-compatible brain tumor dataset in JSONL format with image-text pairs for multimodal training.
+
+- 💡 **Modality**: Image + Text (Conversations)
+- 📁 **Structure**:
+  - `train.jsonl`: JSONL file where each entry contains:
+    - `"image"`: path to image file (e.g., `images/1.jpg`)
+    - `"conversations"`: list of message-response pairs
+  - `images/`: contains 20 MRI image files
+- ✅ Compatible with LLaVA-style training.
+
+Example:
+```json
+{
+  "image": "images/1.jpg",
+  "conversations": [
+    {"from": "user", "value": "<image>\nDescribe tumor properties in JSON."},
+    {"from": "assistant", "value": "{\n  \"tumor_type\": \"meningioma\",\n  \"tumor_size_cm\": 2.7,\n  \"location\": \"right cerebellopontine angle\",\n  \"edema\": false,\n  \"enhancement\": \"homogeneous\"\n}"}
+  ]
+}