How to use cap = cv2.VideoCapture(0) in Google Colab

Question

cap = cv2.VideoCapture(0) is not opening web camera when executing the command in Google Colab.

Answer 1

Since Colab is running in your browser, you'll want to use web APIs to access local hardware like a camera.

Here's an example showing how to capture an image from your local webcam in Colab: https://colab.research.google.com/notebooks/snippets/advanced_outputs.ipynb#scrollTo=2viqYx97hPMi

Answer 2

1. Go to Google Colaboratory

2. Create a new notebook

3. Click snippet panel

4. Click Camera Capture. Click insert

5. Run script: Shift + Enter