Update preprocessor_config.json

preprocessor_config.json

@@ -23,6 +23,8 @@
   "resample": 3,
   "rescale_factor": 0.00392156862745098,
   "size": {
-    "shortest_edge": 378
+    "shortest_edge": 378,
+    "height": 378,
+    "width": 378
   }
 }