1 files changed, 1 insertions, 0 deletions
diff --git a/cvg.ui b/cvg.ui
index 0a821cd..d4ac453 100644
--- a/cvg.ui
+++ b/cvg.ui
@@ -84,6 +84,7 @@
               <item>Hide</item>
               <item>Gauss</item>
               <item>GoodFeaturesToTrack</item>
+              <item>Sobel</item>
               <item>Pass-Through</item>
             </items>
             <signal name="changed" handler="method_set" swapped="no"/>