diff --git a/src/main/java/fr/pasteur/ida/zellige/command/ZelligeCommand.java b/src/main/java/fr/pasteur/ida/zellige/command/ZelligeCommand.java
index 020b895d7677500cdfe6d355c54e5a9385076c27..3c86246e8878dea675fe8713531fc441c27dcba5 100644
--- a/src/main/java/fr/pasteur/ida/zellige/command/ZelligeCommand.java
+++ b/src/main/java/fr/pasteur/ida/zellige/command/ZelligeCommand.java
@@ -40,46 +40,47 @@ public class ZelligeCommand< T extends RealType< T > & NativeType< T > > extends
     private ImageDisplayService imageDisplayService;
     @Parameter
     private LogService logService;
-    @Parameter
-    private double amplitude;
 
-    @Parameter
-    private double otsu;
+    @Parameter( label = "Amplitude threshold", min = "0", max = "2", stepSize = "0.1" )
+    private double amplitude = 1;
 
-    @Parameter
-    private int sigmaXY;
+    @Parameter( label = "Otsu threshold", min = "0", max = "2", stepSize = "0.1" )
+    private double otsu = 0.1;
 
-    @Parameter
-    private int sigmaZ;
+    @Parameter( label = "XY dilatation", min = "0", max = "10" )
+    private int sigmaXY = 1;
 
-    @Parameter
-    private int islandSize;
+    @Parameter( label = "Z dilatation", min = "0", max = "10" )
+    private int sigmaZ = 1;
 
-    @Parameter
-    private int connexity;
+    @Parameter( label = "Island size", min = "0", max = "50", stepSize = "5" )
+    private int islandSize = 5;
 
-    @Parameter
-    private double startingOsSize1;
+    @Parameter( label = "Island neighbourhood", min = "4", max = "8", stepSize = "4" )
+    private int connexity = 4;
 
-    @Parameter
-    private int overlap1;
+    @Parameter( label = "First round Starting OSE size", min = "0", max = "1", stepSize = "0.1" )
+    private double startingOsSize1 = 0.8;
 
-    @Parameter
-    private double connexityRate1;
+    @Parameter( label = "First round overlap", min = "0", max = "50" )
+    private int overlap1 = 10;
 
-    @Parameter
-    private double startingOsSize2;
+    @Parameter( label = "First round matching rate", min = "0.5", max = "1", stepSize = "0.05" )
+    private double connexityRate1 = 0.8;
 
-    @Parameter
-    private int overlap2;
+    @Parameter( label = "Second round Starting OSE size", min = "0", max = "1", stepSize = "0.1" )
+    private double startingOsSize2 = 0.1;
 
-    @Parameter
-    private double connexityRate2;
+    @Parameter( label = "Second round overlap", min = "0", max = "50", stepSize = "5" )
+    private int overlap2 = 10;
 
-    @Parameter
+    @Parameter( label = "Second round matching rate", min = "0.5", max = "1", stepSize = "0.05" )
+    private double connexityRate2 = 0.9;
+
+    @Parameter( min = "0.05", max = "1" )
     private double surfaceMinSizeFactor;
 
-    @Parameter
+    @Parameter( min = "0" )
     private int delta;