diff --git a/script/imgtest.py b/script/imgtest.py
index 29cf222..b430adc 100644
--- a/script/imgtest.py
+++ b/script/imgtest.py
@@ -27,8 +27,9 @@ output_img.show()
 #Sample detection
 aux = grayscale(ip, in_place=False)
 aux.show() 
-#gaussian_blur(aux); aux.repaintWindow()
+
 invert(aux); aux.repaintWindow()
+#gaussian_blur(aux); aux.repaintWindow()
 subtract_background(aux); aux.repaintWindow()
 auto_threshold(aux); aux.repaintWindow()
 binary_open(aux); aux.repaintWindow()