OpenCV with Python By Example

Fun with faces

Now that we know how to detect and track faces, let's have some fun with it. When we capture a video stream from the webcam, we can overlay funny masks on top of our faces. It will look something like this next image:

If you are a fan of Hannibal, you can try this next one:

Let's look at the code to see how to overlay the skull mask on top of the face in the input video stream:

import cv2 import numpy as np face_cascade = cv2.CascadeClassifier('./cascade_files/haarcascade_frontalface_alt.xml') face_mask = cv2.imread('mask_hannibal.png') ...