Update preprocessor_config.json

preprocessor_config.json

@@ -16,7 +16,7 @@
   "resample": 2,
   "rescale_factor": 0.00392156862745098,
   "size": {
-    "height": 384,
-    "width": 384
+    "height": 224,
+    "width": 224
   }
 }