diff --git a/ColorimetricSegmenter.cpp b/ColorimetricSegmenter.cpp
index 302208f..da66c6e 100644
--- a/ColorimetricSegmenter.cpp
+++ b/ColorimetricSegmenter.cpp
@@ -204,14 +204,14 @@ void ColorimetricSegmenter::filterRgb()
 	if (!rgbDlg.exec())
 		return;
 
-	double marginError = static_cast<double>(rgbDlg.spinBox_6->value()) / 100.0;
+	double marginError = static_cast<double>(rgbDlg.margin->value()) / 100.0;
 
-	int redInf = rgbDlg.spinBox_3->value() - (marginError * rgbDlg.spinBox_3->value());
-	int redSup = rgbDlg.spinBox_2->value() + marginError * rgbDlg.spinBox_2->value();
-	int greenInf = rgbDlg.spinBox->value() - marginError * rgbDlg.spinBox->value();
-	int greenSup = rgbDlg.knnSpinBox->value() + marginError * rgbDlg.knnSpinBox->value();
-	int blueInf = rgbDlg.spinBox_5->value() - marginError * rgbDlg.spinBox_5->value();
-	int blueSup = rgbDlg.spinBox_4->value() + marginError * rgbDlg.spinBox_4->value();
+	int redInf = rgbDlg.red_min->value() - (marginError * rgbDlg.red_min->value());
+	int redSup = rgbDlg.red_max->value() + marginError * rgbDlg.red_max->value();
+	int greenInf = rgbDlg.green_min->value() - marginError * rgbDlg.green_min->value();
+	int greenSup = rgbDlg.green_max->value() + marginError * rgbDlg.green_max->value();
+	int blueInf = rgbDlg.blue_min->value() - marginError * rgbDlg.blue_min->value();
+	int blueSup = rgbDlg.blue_max->value() + marginError * rgbDlg.blue_max->value();
 
 	std::vector<ccPointCloud*> clouds = getSelectedPointClouds();
 
diff --git a/RgbDialog.ui b/RgbDialog.ui
index cff3ffd..dd2d942 100644
--- a/RgbDialog.ui
+++ b/RgbDialog.ui
@@ -21,9 +21,9 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_3">
+    <layout class="QHBoxLayout" name="horizontalLayout_red">
      <item>
-      <widget class="QLabel" name="label">
+      <widget class="QLabel" name="red_label">
        <property name="text">
         <string>Red</string>
        </property>
@@ -33,14 +33,14 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox_3">
+      <widget class="QSpinBox" name="red_min">
        <property name="maximum">
         <number>255</number>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox_2">
+      <widget class="QSpinBox" name="red_max">
        <property name="maximum">
         <number>255</number>
        </property>
@@ -49,9 +49,9 @@
     </layout>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
+    <layout class="QHBoxLayout" name="horizontalLayout_green">
      <item>
-      <widget class="QLabel" name="label_2">
+      <widget class="QLabel" name="green_label">
        <property name="text">
         <string>Green</string>
        </property>
@@ -61,14 +61,14 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox">
+      <widget class="QSpinBox" name="green_min">
        <property name="maximum">
         <number>255</number>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="knnSpinBox">
+      <widget class="QSpinBox" name="green_max">
        <property name="enabled">
         <bool>true</bool>
        </property>
@@ -83,9 +83,9 @@
     </layout>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <layout class="QHBoxLayout" name="horizontalLayout_blue">
      <item>
-      <widget class="QLabel" name="label_3">
+      <widget class="QLabel" name="blue_label">
        <property name="text">
         <string>Blue</string>
        </property>
@@ -95,14 +95,14 @@
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox_5">
+      <widget class="QSpinBox" name="blue_min">
        <property name="maximum">
         <number>255</number>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox_4">
+      <widget class="QSpinBox" name="blue_max">
        <property name="maximum">
         <number>255</number>
        </property>
@@ -111,24 +111,21 @@
     </layout>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_4">
+    <layout class="QHBoxLayout" name="horizontalLayout_bottom">
      <item>
-      <widget class="QLabel" name="label_4">
+      <widget class="QLabel" name="margin_label">
        <property name="text">
         <string>Margin of erreur (%) :</string>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QSpinBox" name="spinBox_6">
+      <widget class="QSpinBox" name="margin">
        <property name="maximum">
         <number>100</number>
        </property>
       </widget>
      </item>
-     <item>
-      <layout class="QHBoxLayout" name="horizontalLayout_5"/>
-     </item>
      <item>
       <widget class="QDialogButtonBox" name="buttonBox">
        <property name="orientation">