Privateness is all the time extremely vital, particularly with visible media the place you might not have the permission of people within the video. For those who’re filming one thing in public, it is seemingly you may catch somebody’s face who merely would not need or should be recognized. This just lately obtained me to pondering: what is the best option 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 need to 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 powerful job of blurring out faces of individuals strolling by within the authentic 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 may 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 have been recognized at a dependable degree even at default threshold!
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