Update preprocessor_config.json (#2)

- Update preprocessor_config.json (f5b8fa07aa62495eb0c6e7ec9b1782655fa628ef)

preprocessor_config.json

@@ -19,7 +19,7 @@
     0.5
   ],
   "resample": 2,
-  "rescale_factor": 0.00392156862745098,
+  "rescale_factor": 0.00784313725490196,
   "size": {
     "shortest_edge": 224
   }