# [How to Detect Contours in Images using OpenCV in Python](https://www.thepythoncode.com/article/contour-detection-opencv-python)
To run this:
- `pip3 install -r requirements.txt`
- To detect contour of the the image `thumbs_up_down.jpg` using 225 value of binary threshold conversion:
    ```
    python contour-detector.py thumbs_up_down.jpg 225
    ```
- For live detection, consider using `live-contour-detector.py` script.