Update config.json

config.json

@@ -7,5 +7,9 @@
   "max_iter": 3000,
   "batch_size": 2,
   "learning_rate": 0.00025,
-  "labels": ["background", "Normal", "Abnormal"]
+  "classes": [
+    {"name": "background", "id": 0},
+    {"name": "Normal", "id": 1},
+    {"name": "Abnormal", "id": 2}
+  ]
 }