option "input" i "Input image filename" string yes
option "output" o "Output image filename" string yes
-option "like" l "Resample like this image" string no
+#option "like" l "Resample like this image" string no
+
+section "Smoothing (curvature anistropic diffusion)"
+
+option "smooth" - "smooth input image" flag off
+option "spacing" - "Use image spacing" flag off
+option "cond" - "Conductance parameter" double no default="3.0"
+option "time" - "Time step (0.125 for 2D and 0.0625 for 3D)" double no default="0.0625"
+option "iter" - "Iterations" double no default="5"
+
section "Initial connected component labelling (CCL)"