Experiment 2 - Color Detection

  1. pip install opencv-python (Need to install python3 yourself, skip if already installed)
  2. cd OPENCV # Open OPENCV package
  3. sudo python3 ./color_detection.py # Run Python file

Terminal display:

TOOL

At this point, the Linux system will display the camera's real-time video. We need to test the buttons under the window focus. The effect is as follows:

TOOL

The code implements:

  • Multi-color detection using HSV color space
  • Pre-defined color ranges for red, green, blue, yellow, white, black
  • Custom color detection via trackbar controls
  • Contour detection and bounding box drawing
  • Image saving functionality
  • Window size adjustment controls