diff --git a/ball_detector/launch/ball_detector_from_usb_cam.launch b/ball_detector/launch/ball_detector_from_usb_cam.launch
index 0809458..e84838b 100644
--- a/ball_detector/launch/ball_detector_from_usb_cam.launch
+++ b/ball_detector/launch/ball_detector_from_usb_cam.launch
@@ -4,33 +4,23 @@
     <!-- UVC camera -->
     <node pkg="usb_cam" type="usb_cam_node" name="usb_cam_node" output="screen">
         <param name="video_device" type="string" value="/dev/video0" />
-        <!--param name="image_width" type="int" value="800" />
-        <param name="image_height" type="int" value="600" /-->
         <param name="image_width" type="int" value="1280" />
         <param name="image_height" type="int" value="720" />
         <param name="framerate " type="int" value="30" />
         <param name="camera_frame_id" type="string" value="cam_link" />
         <param name="camera_name" type="string" value="camera" />
-        <param name="autofocus" type="bool" value="False" />
-        <param name="autoexposure" type="bool" value="False" />
-        <param name="auto_white_balance" type="bool" value="False" />
-        <param name="gain" value="255" />
-        <param name="brightness" value="64" />
-        <param name="exposure" value="80" />
-        <!-- <param name="camera_info_url" type="string" value="file://$(find ar_pose)/data/camera_1280720.yaml" /> -->
-    </node>
-<!--         <param name="gain" value="255" />
-        <param name="auto_exposure" type="bool" value="False" />
-        <param name="exposure_absolute" value="1000" />
-        <param name="brightness" value="127" />
-        <param name="auto_white_balance" type="bool" value="False" />
-        <param name="white_balance_temperature" value="2800" /> -->
-
-        <!-- <param name="auto_exposure" type="bool" value="False" /> -->
-        <!-- <param name="exposure_absolute" value="1000" /> -->
+        <!-- <param name="autofocus" type="bool" value="False" /> -->
+        <!-- <param name="autoexposure" type="bool" value="False" /> -->
+        <!-- <param name="auto_white_balance" type="bool" value="False" /> -->
+        <!-- <param name="gain" value="255" /> -->
         <!-- <param name="brightness" value="64" /> -->
+        <!-- <param name="exposure" value="80" /> -->
+		<!-- <param name="auto_exposure" type="bool" value="False" /> -->
+        <!-- <param name="exposure_absolute" value="1000" /> -->
         <!-- <param name="auto_white_balance" type="bool" value="False" /> -->
         <!-- <param name="white_balance_temperature" value="2800" /> -->
+        <!-- <param name="camera_info_url" type="string" value="file://$(find ar_pose)/data/camera_1280720.yaml" /> -->
+    </node>
 
     <!-- ball detector -->
     <include file="$(find ball_detector)/launch/ball_detector.launch" />