web-cam

uvc(USB Video device Class) package install

apt-get install ros-indigo-uvc-camera

Image relative package install

apt-get install ros-indigo-image-*
apt-get install ros-indigo-rqt-image-view

RUN

roscore
rosrun uvc_camera uvc_camera_node

VIEW

rosrun image_view image_view image:=/image_raw
rqt_image_view image:=/image_raw
rviz -> image -> /image_raw