Update README.md

README.md

@@ -1,3 +1,25 @@
----
-license: apache-2.0
----
+---
+license: apache-2.0
+---
+
+### Dataset Structure
+
+```bash
+XXX/
+│
+├── train-label/                # Labeled training set
+│   ├── image/                  # Input images (.png)
+│   └── mask/                   # Corresponding segmentation masks (.png)
+│
+├── train-unlabel/              # Unlabeled training set
+│   └── image/                  # Images without ground truth masks
+│   └── mask/                  
+│
+├── val/                        # Validation set
+│   ├── image/                  # Validation images (.png)
+│   └── mask/                   # Validation masks (.png)
+│
+└── test/                       # Test set
+    ├── image/                  # Test images (.png)
+    └── mask/                   # Test masks (optional)
+```