Privateness is at all times extremely necessary, particularly with visible media the place you might not have the permission of people within the video. If you happen to’re filming one thing in public, it is probably you may catch somebody’s face who merely would not need or must be recognized. This lately acquired me to pondering: what is the best solution to blur faces in a video by way of command line?
The most effective open supply utility I discovered for blurring faces in a video was deface. Let’s take a look at how you should use deface to blur faces in movies!
Begin by downloading Python-based by way of pip:
python3 -m pip set up deface
With deface put in, merely present the video title and get the output file with blurred faces:
sudo deface ./sample-4k-faces-video.mp4 Enter: ./sample-4k-faces-video.mp4 Output: ./sample-4k-faces-video_anonymized.mp4 100%|█████████████████████████████
The ensuing video does a formidable job of blurring out faces of individuals strolling by within the unique recording:
View the ensuing video of individuals strolling down the streets of New York:
The default threshold for face recognition works very effectively, even on transferring topics. You’ll be able to experiment with thresholds with the thresh argument, and even draw the thresholds out whereas debugging:
I downloaded a handful of YouTube movies utilizing my favourite YouTube downloading utility youtube-dl and I used to be amazed at how effectively deface did on quite a lot of visible environments. Faces had been recognized at a dependable stage even at default threshold!
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