The QR codes detector based on zbar library (http://zbar.sourceforge.net), dedicated to ROS systems.
Installation of zbar library on Ubuntu
sudo apt install libzbar-dev
Subscribes:
- /image (sensor_msgs/Image) - the topic with RGB images which contains QR codes.
Publishes:
- /qr_codes (std_msgs/String) - message from each detected QR code is published as a string.