diff --git a/script/CoverDetection.py b/script/CoverDetection.py
index c5b81cf..56d37a1 100644
--- a/script/CoverDetection.py
+++ b/script/CoverDetection.py
@@ -10,7 +10,9 @@ line.getProcessor().setBackgroundValue(0.0)
 
 #renderer = show_panel(line.bufferedImage)
 #ip = get_image()
+
 ip = average_frames(5)
+ip = grayscale(ip, False)
 show_panel(ip.bufferedImage)
 
 smooth(ip)
diff --git a/script/local.py b/script/local.py
index 87e2e1b..a9ebaa4 100644
--- a/script/local.py
+++ b/script/local.py
@@ -80,7 +80,7 @@ def get_image():
     roi =  get_roi()
     ip = load_image(img.image)                            
     ret = sub_image(ip, roi[0], roi[1], roi[2], roi[3])
-    grayscale(ret, do_scaling=True)
+    grayscale(ret, do_scaling=False)
     return ret