agv_ros_ws/costmap_2d/urdf/sensors/camera.xacro

<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="camera">
	<link name="camera_link">
	    <inertial>
		<mass value="0.001" />
		<origin xyz="0 0 0" />
		<inertia ixx="0.001" ixy="0.0" ixz="0.0"
		         iyy="0.001" iyz="0.0"
		         izz="0.001" />
	    </inertial>

	    <visual>
		<origin xyz=" 0 0 0 " rpy="1.57 0 1.57" />
		<geometry>
		    <mesh filename="package://racecar_description/meshes/S1030-0315.dae" scale="0.1 0.1 0.1" />
		</geometry>
	    </visual>

	    <collision>
		<origin xyz="0.0 0.0 0.0" rpy="0 0 0" />
		<geometry>
		    <box size="0.03 0.16 0.03" />
		</geometry>
	    </collision>
	</link>

	<gazebo reference="camera_link">
	<material>Gazebo/Black</material>
	</gazebo> 
	<gazebo reference="camera_link">
		<sensor type="camera" name="camera_node">
			<pose>0 0 0 0 0 0</pose>
		        <update_rate>30.0</update_rate>
		        <camera name="head">
		            <horizontal_fov>1.3962634</horizontal_fov>
		            <image>
		                <width>1280</width>
		                <height>720</height>
		                <format>R8G8B8</format>
		            </image>
		            <clip>
		                <near>0.02</near>
		                <far>300</far>
		            </clip>
		            <noise>
		                <type>gaussian</type>
		                <mean>0.0</mean>
		                <stddev>0.007</stddev>
		            </noise>
		        </camera>
		        <plugin name="gazebo_camera" filename="libgazebo_ros_camera.so">
		            <alwaysOn>true</alwaysOn>
		            <updateRate>0.0</updateRate>
		            <cameraName>/camera</cameraName>
		            <imageTopicName>image_raw</imageTopicName>
		            <cameraInfoTopicName>camera_info</cameraInfoTopicName>
		            <frameName>camera_link</frameName>
		            <hackBaseline>0.07</hackBaseline>
		            <distortionK1>0.0</distortionK1>
		            <distortionK2>0.0</distortionK2>
		            <distortionK3>0.0</distortionK3>
		            <distortionT1>0.0</distortionT1>
		            <distortionT2>0.0</distortionT2>
		        </plugin>
		    </sensor>
	  </gazebo>
</robot>