Upload processor

preprocessor_config.json

@@ -8,14 +8,14 @@
     224
   ],
   "mean": [
-    0.5,
-    0.5,
-    0.5
+    0.485,
+    0.456,
+    0.406
   ],
   "resize_strategy": "letterbox",
   "std": [
-    0.5,
-    0.5,
-    0.5
+    0.229,
+    0.224,
+    0.225
   ]
 }