diff --git a/main.py b/main.py
index 4fda33f34d343799d8b585d5862e62c46ad64862..94f8adada7720e0e9bf0bd914f82ae3df8adbe86 100644
--- a/main.py
+++ b/main.py
@@ -74,8 +74,8 @@ def pre_process(img_, crop_size=513):
     resize_h, resize_w, _ = img_.shape
 
     # mean, std
-    image_mean = np.array(args.image_mean)
-    image_std = np.array(args.image_std)
+    image_mean = np.array(1.0)
+    image_std = np.array(0.5)
     img_ = (img_ - image_mean) / image_std
 
     # pad to crop_size