🤖 ROS 2 + OpenCV Camera Stream (Humble)

This project demonstrates a minimal ROS 2 (Humble) camera pipeline using Python and OpenCV to publish and subscribe to real-time webcam image streams. It can be extended to perform tasks like object detection, face recognition, and computer vision applications in robotics.

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📸 Features

• Live camera feed using OpenCV
• Publishes sensor_msgs/msg/Image to /image_raw topic
• Subscribes and visualizes camera stream using OpenCV window
• ROS 2 (Humble) compatible
• Lightweight and beginner-friendly

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🛠 Requirements

• Ubuntu 22.04
• ROS 2 Humble
• Python 3.10+
• cv_bridge, opencv-python, numpy

Install dependencies:

sudo apt install ros-humble-cv-bridge ros-humble-perception
pip install opencv-python numpy==1.24.4


project structure
ros2_cv_ws/
└── src/
    └── ros2_opencv_pkg/
        ├── ros2_opencv_pkg/
        │   ├── camera_publisher.py
        │   └── camera_subscriber.py
        ├── package.xml
        ├── setup.py
        └── ...