The below demos are implemented with facial recognization function with tuned weights in "haarcascade_frontalface" from OpenCV.
Carrie Lam's face in blurring effect
Various Scientists at Solvay Conference in blurring mask on their faces
video streaming with median blur effect
$ python ./blur_video.py 📽️ to blur video files
$ python ./real_time_blurring.py 🎥 to blur streaming video from the device's camera