A contour detection algorithm using CVBridge on ROS-Noetic
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Make sure that you have all the necessary libraries such as OpenCV4 etc. installed.
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If not identify these libraries in the header of the algorithm and pip install these files.
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Activate the roscore
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Before running this ROS Script we need to load the ROS camera node using rosrun usb_cam usb_cam_node _pixel_format:=yuyv
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Go inside the workspace, source it and run the script using rosrun ball_detection tennis_ball_usb_cam_tracker.py
