--- a
+++ b/utils/preprocessing/scan_values.py
@@ -0,0 +1,22 @@
+import numpy as np
+import os
+
+
+in_dir = "pp_test_full_gi"
+
+for i in os.listdir(in_dir):
+    if "img.npy" in i:
+        print (i)
+        arr = np.load(os.path.join(in_dir,i))
+        if arr.shape != (256,256,256,3):
+            print (arr.shape)
+        print (np.mean(arr),np.amin(arr),np.amax(arr))
+
+    if "rois.npy" in i:
+        print (i)
+        arr = np.load(os.path.join(in_dir,i))
+        if arr.shape != (256,256,256):
+            print (arr.shape)
+
+
+print ("done")