saltybot_panoramic 0.1.0 360° equirectangular panoramic stitching + RTSP stream from 4× IMX219 seb MIT ament_cmake_python ament_cmake rclpy sensor_msgs cv_bridge image_transport std_msgs python3-opencv python3-numpy python3-yaml ament_copyright ament_flake8 ament_pep257 python3-pytest ament_cmake