Update config.json

config.json

@@ -120,7 +120,7 @@
       "0": "LABEL_0",
       "1": "LABEL_1"
     },
-    "image_size": 128,
+    "image_size": 224,
     "initializer_range": 0.02,
     "intermediate_size": 3072,
     "is_decoder": false,