Update README.md

README.md

@@ -29,3 +29,21 @@ configs:
   - split: all_data
     path: data/all_data-*
 ---
+
+## Dataset Structure
+
+This dataset contains vision data from cholecystectomy surgery (gallbladder removal).
+
+### Data Fields
+- **image**: The PIL image of the surgery view.
+- **gonogo**: The (360,640) label of background (0), safe (1), and unsafe (2).
+- **organs**: The (360,640) label of background (0), liver (1), gallbladder (2), and hepatocystic triangle (3).
+
+### Data Splits
+- **all_data**: All 1015 data are provided in a single split.
+
+## Usage
+```
+from datasets import load_dataset
+dataset = load_dataset("BrachioLab/cholecystectomy_segmentation")
+```