diff --git a/preprocessor_config.json b/preprocessor_config.json
index aa407cf..6ff682d 100644
--- a/preprocessor_config.json
+++ b/preprocessor_config.json
@@ -1,4 +1,18 @@
 {
+  "do_normalize": true,
+  "do_resize": true,
   "feature_extractor_type": "DetrFeatureExtractor",
-  "format": "coco_detection"
+  "format": "coco_detection",
+  "image_mean": [
+    0.485,
+    0.456,
+    0.406
+  ],
+  "image_std": [
+    0.229,
+    0.224,
+    0.225
+  ],
+  "max_size": 1333,
+  "size": 800
 }