提交gpu参数

launch/jfx_tracking.launch

 <launch>
 	<arg name="project_path" default="$(find jfx_tracking)/"/>
 	<arg name="yaml_config" default="/config/7-1.yaml" />
-
+	<arg name="kf_gpu" default="1" />
 	<node pkg="jfx_tracking" type="jfx_tracking_node" name="jfx_tracking_node" output="screen" respawn="true" >
 		<param name="project_path"          value="$(arg project_path)" />
 		<param name="yaml_config"          value="$(arg yaml_config)" />
+		<param name="kf_gpu"          value="$(arg kf_gpu)" />
 	</node>
 
     <!-- nodelet tracking