diff --git a/guilib/include/rtabmap/gui/DatabaseViewer.h b/guilib/include/rtabmap/gui/DatabaseViewer.h
index 108b5e2d..fdb701a4 100644
--- a/guilib/include/rtabmap/gui/DatabaseViewer.h
+++ b/guilib/include/rtabmap/gui/DatabaseViewer.h
@@ -79,6 +79,7 @@ protected:
 
 private slots:
 	void writeSettings();
+	void restoreDefaultSettings();
 	void configModified();
 	void openDatabase();
 	void updateStatistics();
diff --git a/guilib/src/DatabaseViewer.cpp b/guilib/src/DatabaseViewer.cpp
index 213fadc9..5c81e801 100644
--- a/guilib/src/DatabaseViewer.cpp
+++ b/guilib/src/DatabaseViewer.cpp
@@ -191,6 +191,7 @@ DatabaseViewer::DatabaseViewer(const QString & ini, QWidget * parent) :
 	parameters.insert(*Parameters::getDefaultParameters().find(Parameters::kRGBDLoopClosureReextractFeatures()));
 	ui_->parameters_toolbox->setupUi(parameters);
 	exportDialog_->setObjectName("ExportCloudsDialog");
+	restoreDefaultSettings();
 	this->readSettings();
 
 	setupMainLayout(ui_->actionVertical_Layout->isChecked());
@@ -237,6 +238,7 @@ DatabaseViewer::DatabaseViewer(const QString & ini, QWidget * parent) :
 	connect(ui_->actionRegenerate_local_grid_maps, SIGNAL(triggered()), this, SLOT(regenerateLocalMaps()));
 	connect(ui_->actionRegenerate_local_grid_maps_selected, SIGNAL(triggered()), this, SLOT(regenerateCurrentLocalMaps()));
 	connect(ui_->actionReset_all_changes, SIGNAL(triggered()), this, SLOT(resetAllChanges()));
+	connect(ui_->actionRestore_default_GUI_settings, SIGNAL(triggered()), this, SLOT(restoreDefaultSettings()));
 
 	//ICP buttons
 	connect(ui_->pushButton_refine, SIGNAL(clicked()), this, SLOT(refineConstraint()));
@@ -621,6 +623,45 @@ void DatabaseViewer::writeSettings()
 	this->setWindowModified(false);
 }
 
+void DatabaseViewer::restoreDefaultSettings()
+{
+	// reset GUI parameters
+	ui_->comboBox_logger_level->setCurrentIndex(1);
+	ui_->checkBox_alignPosesWithGroundTruth->setChecked(true);
+
+	ui_->checkBox_spanAllMaps->setChecked(true);
+	ui_->checkBox_ignorePoseCorrection->setChecked(false);
+	ui_->checkBox_ignoreGlobalLoop->setChecked(false);
+	ui_->checkBox_ignoreLocalLoopSpace->setChecked(false);
+	ui_->checkBox_ignoreLocalLoopTime->setChecked(false);
+	ui_->checkBox_ignoreUserLoop->setChecked(false);
+	ui_->spinBox_optimizationDepth->setValue(0);
+	ui_->doubleSpinBox_gainCompensationRadius->setValue(0.0);
+
+	ui_->doubleSpinBox_gridCellSize->setValue(0.05);
+	ui_->groupBox_posefiltering->setChecked(false);
+	ui_->doubleSpinBox_posefilteringRadius->setValue(0.1);
+	ui_->doubleSpinBox_posefilteringAngle->setValue(30);
+	ui_->checkBox_gridErode->setChecked(false);
+	ui_->checkBox_octomap->setChecked(false);
+
+	ui_->checkBox_mesh_quad->setChecked(true);
+	ui_->spinBox_mesh_angleTolerance->setValue(15);
+	ui_->spinBox_mesh_minClusterSize->setValue(0);
+	ui_->spinBox_mesh_fillDepthHoles->setValue(false);
+	ui_->spinBox_mesh_depthError->setValue(10);
+	ui_->spinBox_mesh_triangleSize->setValue(2);
+
+	ui_->spinBox_icp_decimation->setValue(1);
+	ui_->doubleSpinBox_icp_maxDepth->setValue(0.0);
+	ui_->doubleSpinBox_icp_minDepth->setValue(0.0);
+	ui_->checkBox_icp_from_depth->setChecked(false);
+
+	ui_->doubleSpinBox_detectMore_radius->setValue(1.0);
+	ui_->doubleSpinBox_detectMore_angle->setValue(30.0);
+	ui_->spinBox_detectMore_iterations->setValue(5);
+}
+
 void DatabaseViewer::openDatabase()
 {
 	QString path = QFileDialog::getOpenFileName(this, tr("Select file"), pathDatabase_, tr("Databases (*.db)"));
diff --git a/guilib/src/ui/DatabaseViewer.ui b/guilib/src/ui/DatabaseViewer.ui
index 144f90a9..9f445250 100644
--- a/guilib/src/ui/DatabaseViewer.ui
+++ b/guilib/src/ui/DatabaseViewer.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1392</width>
+    <width>1465</width>
     <height>965</height>
    </rect>
   </property>
@@ -52,8 +52,8 @@
           <rect>
            <x>0</x>
            <y>0</y>
-           <width>337</width>
-           <height>208</height>
+           <width>353</width>
+           <height>196</height>
           </rect>
          </property>
          <layout class="QGridLayout" name="gridLayout" columnstretch="0,1">
@@ -210,8 +210,8 @@
           <rect>
            <x>0</x>
            <y>0</y>
-           <width>337</width>
-           <height>208</height>
+           <width>353</width>
+           <height>196</height>
           </rect>
          </property>
          <layout class="QGridLayout" name="gridLayout_2" columnstretch="0,1">
@@ -483,8 +483,8 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1392</width>
-     <height>22</height>
+     <width>1465</width>
+     <height>25</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -521,6 +521,7 @@
     <addaction name="actionEdit_depth_image"/>
     <addaction name="separator"/>
     <addaction name="actionReset_all_changes"/>
+    <addaction name="actionRestore_default_GUI_settings"/>
     <addaction name="separator"/>
     <addaction name="actionView_3D_map"/>
     <addaction name="actionView_3D_laser_scans"/>
@@ -999,15 +1000,15 @@
      <item>
       <widget class="QToolBox" name="toolBox">
        <property name="currentIndex">
-        <number>2</number>
+        <number>1</number>
        </property>
        <widget class="QWidget" name="page_3">
         <property name="geometry">
          <rect>
           <x>0</x>
           <y>0</y>
-          <width>324</width>
-          <height>188</height>
+          <width>339</width>
+          <height>186</height>
          </rect>
         </property>
         <attribute name="label">
@@ -1142,8 +1143,8 @@
          <rect>
           <x>0</x>
           <y>0</y>
-          <width>280</width>
-          <height>608</height>
+          <width>282</width>
+          <height>569</height>
          </rect>
         </property>
         <attribute name="label">
@@ -1179,7 +1180,7 @@
               <number>3</number>
              </property>
              <property name="minimum">
-              <double>0.010000000000000</double>
+              <double>0.001000000000000</double>
              </property>
              <property name="singleStep">
               <double>0.010000000000000</double>
@@ -1473,8 +1474,8 @@
          <rect>
           <x>0</x>
           <y>0</y>
-          <width>272</width>
-          <height>126</height>
+          <width>205</width>
+          <height>117</height>
          </rect>
         </property>
         <attribute name="label">
@@ -1573,8 +1574,8 @@
          <rect>
           <x>0</x>
           <y>0</y>
-          <width>272</width>
-          <height>288</height>
+          <width>184</width>
+          <height>487</height>
          </rect>
         </property>
         <attribute name="label">
@@ -2118,7 +2119,7 @@
   </action>
   <action name="actionReset_all_changes">
    <property name="text">
-    <string>Reset all changes</string>
+    <string>Reset link and grid map changes</string>
    </property>
   </action>
   <action name="actionGenerate_g2o_graph_g2o">
@@ -2162,6 +2163,11 @@
     <string>Vertical Layout</string>
    </property>
   </action>
+  <action name="actionRestore_default_GUI_settings">
+   <property name="text">
+    <string>Restore default GUI settings</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>