This is ROS package dedicated for simple visual marker recognition and follow.
cd your_ros_ws/src
git clone https://github.com/dkoguciuk/jetson_follower.git
cd .. && catkin_make
First of all you'll have to calibrate HSV params for your marker with jetson_calibration:
rosrun jetson_follower jetson_calibration
The resulted HSV values will be stored in config directory. Then you can run robot following node:
rosrun jetson_follower jetson_follower