diff --git a/app/SandboxSetup/camerafocus.cpp b/app/SandboxSetup/camerafocus.cpp
index 8a8b2bfb01b70322046dd90f13ec9cb4905a37ca..724416228a7b08e18ee9d95d8f1bfc518f1244a3 100644
--- a/app/SandboxSetup/camerafocus.cpp
+++ b/app/SandboxSetup/camerafocus.cpp
@@ -128,15 +128,6 @@ void CameraFocus::refreshFrame(){
 void CameraFocus::initCameraParams(){
 
     FrameProcessProfil *profil = setup->getBeamer()->getProfil();
-
-    /*defaultProfil.setContrast(profil->getContrast());
-    defaultProfil.setBrightness(profil->getBrightness());
-    defaultProfil.setMinDistance(profil->getMinDistance());
-    defaultProfil.setCannyEdgeThreshold(profil->getCannyEdgeThreshold());
-    defaultProfil.setHoughAccThreshold(profil->getHoughAccThreshold());
-    defaultProfil.setMinRadius(profil->getMinRadius());
-    defaultProfil.setMaxRadius(profil->getMaxRadius());
-*/
     loadProfil(profil, &defaultProfil);
 }
 
@@ -147,16 +138,28 @@ void CameraFocus::loadProfil(FrameProcessProfil *profilLoaded, FrameProcessProfi
     profilSaved->setMinDistance(profilLoaded->getMinDistance());
     profilSaved->setCannyEdgeThreshold(profilLoaded->getCannyEdgeThreshold());
     profilSaved->setHoughAccThreshold(profilLoaded->getHoughAccThreshold());
-    profilSaved->setMinRadius(profilLoaded->getMinRadius());
-    profilSaved->setMaxRadius(profilLoaded->getMaxRadius());
+
 
     ui->sbxContrast->setValue(profilLoaded->getContrast());
     ui->sbxBrightness->setValue(profilLoaded->getBrightness());
     ui->sbxMinDistance->setValue(profilLoaded->getMinDistance());
     ui->sbxCannyThreshold->setValue(profilLoaded->getCannyEdgeThreshold());
     ui->sbxAccThreshold->setValue(profilLoaded->getHoughAccThreshold());
-    ui->sbxMinRadius->setValue(profilLoaded->getMinRadius());
-    ui->sbxMaxRadius->setValue(profilLoaded->getMaxRadius());
+
+    if(profilLoaded->getMinRadius() > 0 && profilLoaded->getMaxRadius() > 0){
+        profilSaved->setMinRadius(profilLoaded->getMinRadius());
+        profilSaved->setMaxRadius(profilLoaded->getMaxRadius());
+        ui->sbxMinRadius->setValue(profilLoaded->getMinRadius());
+        ui->sbxMaxRadius->setValue(profilLoaded->getMaxRadius());
+        ui->ckbxTargetSize->setChecked(true);
+        ui->ckbxTargetSize->clicked(true);
+    }else{
+        profilLoaded->setMinRadius(0);
+        profilLoaded->setMaxRadius(0);
+        profilSaved->setMinRadius(0);
+        profilSaved->setMaxRadius(0);
+    }
+
 }
 
 void CameraFocus::on_btnReset_clicked()
@@ -248,3 +251,17 @@ void CameraFocus::on_sbxMaxRadius_valueChanged(int arg1)
     setup->getBeamer()->getProfil()->setMaxRadius((uint)arg1);
     ui->sldMaxRadius->setValue(arg1);
 }
+
+void CameraFocus::on_ckbxTargetSize_clicked(bool checked)
+{
+    std::vector<QWidget *> lst = { ui->lblMinRadius, ui->sldMinRadius, ui->sbxMinRadius,
+                                   ui->lblMaxRadius, ui->sldMaxRadius, ui->sbxMaxRadius };
+    for(QWidget *w: lst){
+        w->setEnabled(checked);
+    }
+
+    uint min = (checked) ? (uint)ui->sbxMinRadius->value() : 0;
+    uint max = (checked) ? (uint)ui->sbxMaxRadius->value() : 0;
+    setup->getBeamer()->getProfil()->setMinRadius(min);
+    setup->getBeamer()->getProfil()->setMaxRadius(max);
+}
diff --git a/app/SandboxSetup/camerafocus.h b/app/SandboxSetup/camerafocus.h
index 473ab0f817bdd34e1f8b8bde24aad13a1fe06204..2df9e48ca3e7c239f416936be9d24917fca8edb5 100644
--- a/app/SandboxSetup/camerafocus.h
+++ b/app/SandboxSetup/camerafocus.h
@@ -58,6 +58,8 @@ private slots:
 
     void on_sbxMaxRadius_valueChanged(int arg1);
 
+    void on_ckbxTargetSize_clicked(bool checked);
+
 protected:
     void showEvent(QShowEvent *event);
     void closeEvent(QCloseEvent *event);
diff --git a/app/SandboxSetup/camerafocus.ui b/app/SandboxSetup/camerafocus.ui
index 20a20b15a370a5243bf39f1516ae9c91378ea863..8bbd4a1e821b704e630b00883403f5b4f522ba87 100644
--- a/app/SandboxSetup/camerafocus.ui
+++ b/app/SandboxSetup/camerafocus.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>810</width>
-    <height>640</height>
+    <height>691</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -17,7 +17,7 @@
    <property name="geometry">
     <rect>
      <x>20</x>
-     <y>70</y>
+     <y>40</y>
      <width>381</width>
      <height>211</height>
     </rect>
@@ -39,7 +39,7 @@
    <property name="geometry">
     <rect>
      <x>680</x>
-     <y>310</y>
+     <y>280</y>
      <width>89</width>
      <height>25</height>
     </rect>
@@ -52,7 +52,7 @@
    <property name="geometry">
     <rect>
      <x>410</x>
-     <y>70</y>
+     <y>40</y>
      <width>381</width>
      <height>211</height>
     </rect>
@@ -74,7 +74,7 @@
    <property name="geometry">
     <rect>
      <x>20</x>
-     <y>40</y>
+     <y>10</y>
      <width>161</width>
      <height>17</height>
     </rect>
@@ -87,7 +87,7 @@
    <property name="geometry">
     <rect>
      <x>420</x>
-     <y>40</y>
+     <y>10</y>
      <width>161</width>
      <height>17</height>
     </rect>
@@ -100,41 +100,53 @@
    <property name="geometry">
     <rect>
      <x>60</x>
-     <y>350</y>
+     <y>320</y>
      <width>671</width>
-     <height>281</height>
+     <height>301</height>
     </rect>
    </property>
    <layout class="QGridLayout" name="glytParams">
-    <item row="3" column="2">
-     <widget class="QSpinBox" name="sbxCannyThreshold">
+    <item row="2" column="1">
+     <widget class="QSlider" name="sldMinDistance">
+      <property name="minimum">
+       <number>1</number>
+      </property>
       <property name="maximum">
-       <number>255</number>
+       <number>20</number>
       </property>
       <property name="value">
-       <number>100</number>
+       <number>8</number>
+      </property>
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
-    <item row="4" column="2">
-     <widget class="QSpinBox" name="sbxAccThreshold">
+    <item row="1" column="2">
+     <widget class="QSpinBox" name="sbxBrightness">
+      <property name="minimum">
+       <number>-255</number>
+      </property>
       <property name="maximum">
-       <number>300</number>
+       <number>255</number>
       </property>
-      <property name="value">
-       <number>50</number>
+      <property name="singleStep">
+       <number>1</number>
       </property>
      </widget>
     </item>
-    <item row="5" column="0">
-     <widget class="QLabel" name="label_6">
+    <item row="4" column="0">
+     <widget class="QLabel" name="label_5">
       <property name="text">
-       <string>Minimum circle radius (divisor from the camera's width)</string>
+       <string>Hough accumulator threshold</string>
       </property>
      </widget>
     </item>
-    <item row="2" column="2">
-     <widget class="QSpinBox" name="sbxMinDistance">
+    <item row="6" column="2">
+     <widget class="QSpinBox" name="sbxMinRadius">
+      <property name="enabled">
+       <bool>false</bool>
+      </property>
       <property name="minimum">
        <number>1</number>
       </property>
@@ -142,14 +154,7 @@
        <number>20</number>
       </property>
       <property name="value">
-       <number>8</number>
-      </property>
-     </widget>
-    </item>
-    <item row="0" column="0">
-     <widget class="QLabel" name="label">
-      <property name="text">
-       <string>Contrast</string>
+       <number>10</number>
       </property>
      </widget>
     </item>
@@ -160,6 +165,22 @@
       </property>
      </widget>
     </item>
+    <item row="7" column="2">
+     <widget class="QSpinBox" name="sbxMaxRadius">
+      <property name="enabled">
+       <bool>false</bool>
+      </property>
+      <property name="minimum">
+       <number>1</number>
+      </property>
+      <property name="maximum">
+       <number>20</number>
+      </property>
+      <property name="value">
+       <number>2</number>
+      </property>
+     </widget>
+    </item>
     <item row="3" column="0">
      <widget class="QLabel" name="label_4">
       <property name="text">
@@ -167,32 +188,39 @@
       </property>
      </widget>
     </item>
-    <item row="1" column="2">
-     <widget class="QSpinBox" name="sbxBrightness">
-      <property name="minimum">
-       <number>-255</number>
+    <item row="6" column="0">
+     <widget class="QLabel" name="lblMinRadius">
+      <property name="enabled">
+       <bool>false</bool>
       </property>
-      <property name="maximum">
-       <number>255</number>
+      <property name="text">
+       <string>Minimum circle radius (divisor from the camera's width)</string>
       </property>
-      <property name="singleStep">
-       <number>1</number>
+     </widget>
+    </item>
+    <item row="0" column="0">
+     <widget class="QLabel" name="label">
+      <property name="text">
+       <string>Contrast</string>
       </property>
      </widget>
     </item>
-    <item row="0" column="2">
-     <widget class="QDoubleSpinBox" name="sbxContrast">
+    <item row="6" column="1">
+     <widget class="QSlider" name="sldMinRadius">
+      <property name="enabled">
+       <bool>false</bool>
+      </property>
       <property name="minimum">
-       <double>0.010000000000000</double>
+       <number>1</number>
       </property>
       <property name="maximum">
-       <double>255.000000000000000</double>
-      </property>
-      <property name="singleStep">
-       <double>0.010000000000000</double>
+       <number>20</number>
       </property>
       <property name="value">
-       <double>1.000000000000000</double>
+       <number>10</number>
+      </property>
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
@@ -209,10 +237,13 @@
       </property>
      </widget>
     </item>
-    <item row="4" column="0">
-     <widget class="QLabel" name="label_5">
-      <property name="text">
-       <string>Hough accumulator threshold</string>
+    <item row="3" column="2">
+     <widget class="QSpinBox" name="sbxCannyThreshold">
+      <property name="maximum">
+       <number>255</number>
+      </property>
+      <property name="value">
+       <number>100</number>
       </property>
      </widget>
     </item>
@@ -232,23 +263,42 @@
       </property>
      </widget>
     </item>
-    <item row="6" column="0">
-     <widget class="QLabel" name="label_7">
+    <item row="2" column="2">
+     <widget class="QSpinBox" name="sbxMinDistance">
+      <property name="minimum">
+       <number>1</number>
+      </property>
+      <property name="maximum">
+       <number>20</number>
+      </property>
+      <property name="value">
+       <number>8</number>
+      </property>
+     </widget>
+    </item>
+    <item row="7" column="0">
+     <widget class="QLabel" name="lblMaxRadius">
+      <property name="enabled">
+       <bool>false</bool>
+      </property>
       <property name="text">
        <string>Maximum circle radius (divisor from the camera's width)</string>
       </property>
      </widget>
     </item>
-    <item row="1" column="1">
-     <widget class="QSlider" name="sldBrightness">
+    <item row="0" column="2">
+     <widget class="QDoubleSpinBox" name="sbxContrast">
       <property name="minimum">
-       <number>-255</number>
+       <double>0.010000000000000</double>
       </property>
       <property name="maximum">
-       <number>255</number>
+       <double>255.000000000000000</double>
       </property>
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
+      <property name="singleStep">
+       <double>0.010000000000000</double>
+      </property>
+      <property name="value">
+       <double>1.000000000000000</double>
       </property>
      </widget>
     </item>
@@ -265,66 +315,50 @@
       </property>
      </widget>
     </item>
-    <item row="5" column="2">
-     <widget class="QSpinBox" name="sbxMinRadius">
-      <property name="minimum">
-       <number>1</number>
-      </property>
+    <item row="4" column="2">
+     <widget class="QSpinBox" name="sbxAccThreshold">
       <property name="maximum">
-       <number>20</number>
+       <number>300</number>
       </property>
       <property name="value">
-       <number>10</number>
+       <number>50</number>
       </property>
      </widget>
     </item>
-    <item row="6" column="2">
-     <widget class="QSpinBox" name="sbxMaxRadius">
-      <property name="minimum">
-       <number>1</number>
-      </property>
+    <item row="4" column="1">
+     <widget class="QSlider" name="sldAccThreshold">
       <property name="maximum">
-       <number>20</number>
+       <number>300</number>
       </property>
       <property name="value">
-       <number>2</number>
-      </property>
-     </widget>
-    </item>
-    <item row="5" column="1">
-     <widget class="QSlider" name="sldMinRadius">
-      <property name="minimum">
-       <number>1</number>
-      </property>
-      <property name="maximum">
-       <number>20</number>
+       <number>50</number>
       </property>
-      <property name="value">
-       <number>10</number>
+      <property name="sliderPosition">
+       <number>50</number>
       </property>
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
-    <item row="6" column="1">
-     <widget class="QSlider" name="sldMaxRadius">
+    <item row="1" column="1">
+     <widget class="QSlider" name="sldBrightness">
       <property name="minimum">
-       <number>1</number>
+       <number>-255</number>
       </property>
       <property name="maximum">
-       <number>20</number>
-      </property>
-      <property name="value">
-       <number>2</number>
+       <number>255</number>
       </property>
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
-    <item row="2" column="1">
-     <widget class="QSlider" name="sldMinDistance">
+    <item row="7" column="1">
+     <widget class="QSlider" name="sldMaxRadius">
+      <property name="enabled">
+       <bool>false</bool>
+      </property>
       <property name="minimum">
        <number>1</number>
       </property>
@@ -332,26 +366,17 @@
        <number>20</number>
       </property>
       <property name="value">
-       <number>8</number>
+       <number>2</number>
       </property>
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
      </widget>
     </item>
-    <item row="4" column="1">
-     <widget class="QSlider" name="sldAccThreshold">
-      <property name="maximum">
-       <number>300</number>
-      </property>
-      <property name="value">
-       <number>50</number>
-      </property>
-      <property name="sliderPosition">
-       <number>50</number>
-      </property>
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
+    <item row="5" column="0">
+     <widget class="QCheckBox" name="ckbxTargetSize">
+      <property name="text">
+       <string>Target's size known</string>
       </property>
      </widget>
     </item>
diff --git a/app/SandboxSetup/croppingmask.ui b/app/SandboxSetup/croppingmask.ui
index a1fb692813daae9e982f7aff515b173b5e8ecb4b..030968bb000f4f6b7258cde5a1b828b4d2079135 100644
--- a/app/SandboxSetup/croppingmask.ui
+++ b/app/SandboxSetup/croppingmask.ui
@@ -18,8 +18,8 @@
     <rect>
      <x>40</x>
      <y>40</y>
-     <width>441</width>
-     <height>301</height>
+     <width>451</width>
+     <height>271</height>
     </rect>
    </property>
    <property name="frameShape">
@@ -33,8 +33,8 @@
      <rect>
       <x>0</x>
       <y>0</y>
-      <width>441</width>
-      <height>301</height>
+      <width>451</width>
+      <height>271</height>
      </rect>
     </property>
     <layout class="QVBoxLayout" name="vLayout">
@@ -48,7 +48,7 @@
    <property name="geometry">
     <rect>
      <x>40</x>
-     <y>370</y>
+     <y>350</y>
      <width>161</width>
      <height>17</height>
     </rect>
@@ -61,7 +61,7 @@
    <property name="geometry">
     <rect>
      <x>40</x>
-     <y>390</y>
+     <y>370</y>
      <width>561</width>
      <height>91</height>
     </rect>