diff --git a/backend/src/main/java/pdl/backend/Algorithm.java b/backend/src/main/java/pdl/backend/Algorithm.java
index d60ad82..f748aae 100644
--- a/backend/src/main/java/pdl/backend/Algorithm.java
+++ b/backend/src/main/java/pdl/backend/Algorithm.java
@@ -28,13 +28,17 @@ public class Algorithm {
 				break;
 			case "meanFilter":
 				Parameter param3 = new IntegerParameter("size", "Taille du filtre", 1, 21, 2);
+				Parameter param6 = new Parameter("borderType", "Type de bordure", "select");
 				this.parameters.add(param3);
+				this.parameters.add(param6);
 				break;
 			case "gaussienFilter":
 				Parameter param4 = new IntegerParameter("size", "Taille du filtre", 1, 21, 2);
 				Parameter param5 = new DoubleParameter("sigma", "", 0.1, 2, 0.1);
+				Parameter param7 = new Parameter("borderType", "Type de bordure", "select");
 				this.parameters.add(param4);
 				this.parameters.add(param5);
+				this.parameters.add(param7);
 				break;
 			case "contours":
 				break;
diff --git a/backend/src/main/java/pdl/backend/DoubleParameter.java b/backend/src/main/java/pdl/backend/DoubleParameter.java
index 32b5d11..65d3f86 100644
--- a/backend/src/main/java/pdl/backend/DoubleParameter.java
+++ b/backend/src/main/java/pdl/backend/DoubleParameter.java
@@ -6,7 +6,7 @@ public class DoubleParameter extends Parameter {
 	private final double step;
 
 	public DoubleParameter(String name, String displayName, double min, double max, double step) {
-		super(name, displayName);
+		super(name, displayName, "range");
 		this.max = max;
 		this.min = min;
 		this.step = step;
diff --git a/backend/src/main/java/pdl/backend/IntegerParameter.java b/backend/src/main/java/pdl/backend/IntegerParameter.java
index 9965c16..07aa475 100644
--- a/backend/src/main/java/pdl/backend/IntegerParameter.java
+++ b/backend/src/main/java/pdl/backend/IntegerParameter.java
@@ -6,7 +6,7 @@ public class IntegerParameter extends Parameter {
 	private final int step;
 
 	public IntegerParameter(String name, String displayName, int min, int max, int step) {
-		super(name, displayName);
+		super(name, displayName, "range");
 		this.max = max;
 		this.min = min;
 		this.step = step;
diff --git a/backend/src/main/java/pdl/backend/Parameter.java b/backend/src/main/java/pdl/backend/Parameter.java
index 463834c..2e71897 100644
--- a/backend/src/main/java/pdl/backend/Parameter.java
+++ b/backend/src/main/java/pdl/backend/Parameter.java
@@ -3,10 +3,12 @@ package pdl.backend;
 public class Parameter {
 	private final String name;
 	private final String displayName;
+	private final String type;
 
-	public Parameter(String name, String displayName) {
+	public Parameter(String name, String displayName, String type) {
 		this.name = name;
 		this.displayName = displayName;
+		this.type = type;
 	}
 
 	public String getName() {
@@ -16,4 +18,8 @@ public class Parameter {
 	public String getDisplayName() {
 		return this.displayName;
 	}
+
+	public String getType() {
+		return this.type;
+	}
 }