PARC 2023 OpenCV Workshop Repository

Instructions:

Clone the repository

Place in same workspace as the original PARC Engineers League repository

cd ~/catkin_ws/src
git clone https://github.com/PARC-Robotics/opencv-workshop.git

Install dependencies

In a terminal, run the commands

sudo apt-get install python3-opencv
sudo apt-get install ros-noetic-cv-bridge ros-noetic-vision-opencv

Compile

cd ~/catkin_ws
catkin_make

Run Python scripts

In a terminal, run the commands

python image_processing.py # or other scripts such as basic_img_operations.py

To use the color thresholding utility from Najam Syed (slightly modified)

python colorthresh.py --image front_cam_img.jpg

Run with ROS

In a terminal, run the commands

source ~/catkin_ws/devel/setup.bash
roslaunch parc_robot task1.launch

Open another terminal and run the following commands

source ~/catkin_ws/devel/setup.bash
roscd opencv-workshop
chmod +x scripts/ros_example.py

rosrun opencv-workshop ros_example.py