diff --git a/doc/notes.txt b/doc/notes.txt
index edda1e1..e69f65e 100644
--- a/doc/notes.txt
+++ b/doc/notes.txt
@@ -22,3 +22,8 @@ fx_superpixels 16,10,5,1,1,1,0,0,0,255
 fx_8bits 25,800,16
 
 fx_boxfitting 1,3,0.113,1,0
+
+
+fx_isophotes 8,0,1
+samj_Pixelisation_Contours 0,0,9,5,0,0,1,0,6.4,0.36
+samj_Pixelisation_Contours 0.5,0,7,6,0,0,1,0,7.7,0